tree: git://people.freedesktop.org/~mlankhorst/linux locking-rework head: df835d9d9fee30c2d4584242c64c8b32eae0d0a4 commit: df835d9d9fee30c2d4584242c64c8b32eae0d0a4 [30/30] how to implement eviction :::::: branch date: 10 hours ago :::::: commit date: 10 hours ago config: x86_64-randconfig-s022-20200710 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-37-gc9676a3b-dirty git checkout df835d9d9fee30c2d4584242c64c8b32eae0d0a4 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:213:54: sparse: sparse: no member 'lock' in struct <unnamed> drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:94:1: sparse: sparse: symbol 'i915_gem_shrink' redeclared with different type (incompatible argument 1 (different base types)): drivers/gpu/drm/i915/gem/i915_gem_shrinker.h:15:15: sparse: note: previously declared as: drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:307:51: sparse: got unsigned long drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:313:49: sparse: sparse: not enough arguments for function i915_gem_shrink drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:48: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected struct i915_gem_ww_ctx *ww @@ got struct drm_i915_private *i915 @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:48: sparse: expected struct i915_gem_ww_ctx *ww drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:48: sparse: got struct drm_i915_private *i915 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:54: sparse: expected struct drm_i915_private *i915 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:54: sparse: got unsigned long drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:60: sparse: expected unsigned long target drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:340:68: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned long *nr_scanned @@ got unsigned long @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:340:68: sparse: expected unsigned long *nr_scanned drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:340:68: sparse: got unsigned long drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:338:47: sparse: sparse: not enough arguments for function i915_gem_shrink drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:48: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected struct i915_gem_ww_ctx *ww @@ got struct drm_i915_private *i915 @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:48: sparse: expected struct i915_gem_ww_ctx *ww drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:48: sparse: got struct drm_i915_private *i915 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:54: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected struct drm_i915_private *i915 @@ got unsigned long @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:54: sparse: expected struct drm_i915_private *i915 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:54: sparse: got unsigned long drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:60: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long target @@ got void * @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:60: sparse: expected unsigned long target drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:60: sparse: got void * drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:378:68: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned long *nr_scanned @@ got unsigned long @@ drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:378:68: sparse: expected unsigned long *nr_scanned drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:378:68: sparse: got unsigned long drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:376:47: sparse: sparse: not enough arguments for function i915_gem_shrink git remote add mlankhorst git://people.freedesktop.org/~mlankhorst/linux git remote update mlankhorst git checkout df835d9d9fee30c2d4584242c64c8b32eae0d0a4 vim +94 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c 2d6692e642e7ca drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2019-04-20 67 eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 68 /** eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 69 * i915_gem_shrink - Shrink buffer object caches 56fa4bf2b2f084 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-11-23 70 * @i915: i915 device eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 71 * @target: amount of memory to make available, in pages 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 72 * @nr_scanned: optional output for number of pages scanned (incremental) 70972f51819a22 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-12 73 * @shrink: control flags for selecting cache types eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 74 * eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 75 * This function is the main interface to the shrinker. It will try to release eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 76 * up to @target pages of main memory backing storage from buffer objects. eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 77 * Selection of the specific caches can be done with @flags. This is e.g. useful eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 78 * when purgeable objects should be removed from caches preferentially. eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 79 * eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 80 * Note that it's not guaranteed that released amount is actually available as eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 81 * free system memory - the pages might still be in-used to due to other reasons eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 82 * (like cpu mmaps) or the mm core has reused them before we could grab them. eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 83 * Therefore code that needs to explicitly shrink buffer objects caches (e.g. to eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 84 * avoid deadlocks in memory reclaim) must fall back to i915_gem_shrink_all(). eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 85 * eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 86 * Also note that any kind of pinning (both per-vma address space pins and eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 87 * backing storage pins at the buffer object level) result in the shrinker code eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 88 * having to skip the object. eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 89 * eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 90 * Returns: eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 91 * The number of pages of backing storage actually released. eb0b44adc08c0b drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 92 */ be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 93 unsigned long df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 @94 i915_gem_shrink(struct i915_gem_ww_ctx *ww, df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 95 struct drm_i915_private *i915, 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 96 unsigned long target, 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 97 unsigned long *nr_scanned, a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 98 unsigned int shrink) be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 99 { be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 100 const struct { be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 101 struct list_head *list; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 102 unsigned int bit; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 103 } phases[] = { 3b4fa9640ccded drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-05-30 104 { &i915->mm.purge_list, ~0u }, ecab9be174d98f drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-12 105 { ecab9be174d98f drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-12 106 &i915->mm.shrink_list, ecab9be174d98f drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-12 107 I915_SHRINK_BOUND | I915_SHRINK_UNBOUND ecab9be174d98f drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-12 108 }, be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 109 { NULL, 0 }, be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 110 }, *phase; 538ef96b9dae7f drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2019-01-14 111 intel_wakeref_t wakeref = 0; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 112 unsigned long count = 0; 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 113 unsigned long scanned = 0; df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 114 int err; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 115 2f6a3783833dde drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-11-08 116 /* ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 117 * When shrinking the active list, we should also consider active ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 118 * contexts. Active contexts are pinned until they are retired, and ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 119 * so can not be simply unbound to retire and unpin their pages. To ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 120 * shrink the contexts, we must wait until the gpu is idle and ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 121 * completed its switch to the kernel context. In short, we do ce476c80b8bfa8 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-14 122 * not have a good mechanism for idling a specific context. 2f6a3783833dde drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-11-08 123 */ 2f6a3783833dde drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-11-08 124 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 125 trace_i915_gem_shrink(i915, target, shrink); 3abafa539d2c17 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-10-01 126 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 127 /* 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 128 * Unbinding of objects will require HW access; Let us not wake the 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 129 * device just to recover a little memory. If absolutely necessary, 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 130 * we will force the wake during oom-notifier. 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 131 */ a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 132 if (shrink & I915_SHRINK_BOUND) { d858d5695f3897 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Daniele Ceraolo Spurio 2019-06-13 133 wakeref = intel_runtime_pm_get_if_in_use(&i915->runtime_pm); 538ef96b9dae7f drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2019-01-14 134 if (!wakeref) a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 135 shrink &= ~I915_SHRINK_BOUND; 538ef96b9dae7f drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2019-01-14 136 } 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 137 be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 138 /* be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 139 * As we may completely rewrite the (un)bound list whilst unbinding be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 140 * (due to retiring requests) we have to strictly process only be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 141 * one element of the list at the time, and recheck the list be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 142 * on every iteration. be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 143 * be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 144 * In particular, we must hold a reference whilst removing the be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 145 * object as we may end up waiting for and/or retiring the objects. be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 146 * This might release the final reference (held by the active list) be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 147 * and result in the object being freed from under us. This is be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 148 * similar to the precautions the eviction code must take whilst be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 149 * removing objects. be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 150 * be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 151 * Also note that although these lists do not hold a reference to be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 152 * the object we can safely grab one here: The final object be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 153 * unreferencing and the bound_list are both protected by the be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 154 * dev->struct_mutex and so we won't ever be able to observe an be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 155 * object on the bound_list with a reference count equals 0. be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 156 */ be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 157 for (phase = phases; phase->list; phase++) { be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 158 struct list_head still_in_list; 2a1d775201081c drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-07-26 159 struct drm_i915_gem_object *obj; a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 160 unsigned long flags; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 161 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 162 if ((shrink & phase->bit) == 0) be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 163 continue; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 164 be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 165 INIT_LIST_HEAD(&still_in_list); f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 166 f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 167 /* f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 168 * We serialize our access to unreferenced objects through f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 169 * the use of the struct_mutex. While the objects are not f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 170 * yet freed (due to RCU then a workqueue) we still want f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 171 * to be able to shrink their pages, so they remain on f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 172 * the unbound/bound list until actually freed. f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 173 */ a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 174 spin_lock_irqsave(&i915->mm.obj_lock, flags); 2a1d775201081c drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-07-26 175 while (count < target && 2a1d775201081c drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-07-26 176 (obj = list_first_entry_or_null(phase->list, 2a1d775201081c drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-07-26 177 typeof(*obj), f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 178 mm.link))) { f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 179 list_move_tail(&obj->mm.link, &still_in_list); be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 180 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 181 if (shrink & I915_SHRINK_VMAPS && a4f5ea64f0a818 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-10-28 182 !is_vmalloc_addr(obj->mm.mapping)) eae2c43b1233f8 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-04-08 183 continue; eae2c43b1233f8 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-04-08 184 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 185 if (!(shrink & I915_SHRINK_ACTIVE) && c03467ba40f783 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-07-03 186 i915_gem_object_is_framebuffer(obj)) 5763ff04dc4ebd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-10-01 187 continue; 5763ff04dc4ebd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-10-01 188 c1a415e261aad0 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-12-04 189 if (!can_release_pages(obj)) c1a415e261aad0 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-12-04 190 continue; c1a415e261aad0 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2015-12-04 191 0bd6cb6b58f733 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-18 192 if (!kref_get_unless_zero(&obj->base.refcount)) 0bd6cb6b58f733 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-18 193 continue; 0bd6cb6b58f733 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-18 194 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 195 spin_unlock_irqrestore(&i915->mm.obj_lock, flags); f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 196 df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 197 err = 0; c03467ba40f783 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-07-03 198 if (unsafe_drop_pages(obj, shrink)) { 7b7a119e8546e2 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-10-31 199 /* May arrive from get_pages on another bo */ df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 200 if (!ww) { df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 201 if (!i915_gem_object_trylock(obj)) df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 202 goto skip; df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 203 } else { df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 204 err = i915_gem_object_lock(obj, ww); df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 205 if (err) df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 206 goto skip; df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 207 } df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 208 f1fa4f442c82eb drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-13 209 if (!i915_gem_object_has_pages(obj)) { a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 210 try_to_writeback(obj, shrink); be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 211 count += obj->base.size >> PAGE_SHIFT; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 212 } 1233e2db199dea drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-10-28 @213 mutex_unlock(&obj->mm.lock); 1233e2db199dea drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-10-28 214 } 0bd6cb6b58f733 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-18 215 4e773c3a8a693e drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-13 216 scanned += obj->base.size >> PAGE_SHIFT; df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 217 skip: 0bd6cb6b58f733 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-18 218 i915_gem_object_put(obj); f2123818ffad03 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-10-16 219 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 220 spin_lock_irqsave(&i915->mm.obj_lock, flags); df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 221 if (err) df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 222 break; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 223 } 535972771d8c99 drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2016-11-01 224 list_splice_tail(&still_in_list, phase->list); a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 225 spin_unlock_irqrestore(&i915->mm.obj_lock, flags); df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 226 if (err) df835d9d9fee30 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Maarten Lankhorst 2020-07-10 227 return err; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 228 } be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 229 a8cff4c8283af3 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Chris Wilson 2019-06-10 230 if (shrink & I915_SHRINK_BOUND) d858d5695f3897 drivers/gpu/drm/i915/gem/i915_gem_shrinker.c Daniele Ceraolo Spurio 2019-06-13 231 intel_runtime_pm_put(&i915->runtime_pm, wakeref); 178a30c90ac74e drivers/gpu/drm/i915/i915_gem_shrinker.c Praveen Paneri 2016-05-02 232 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 233 if (nr_scanned) 912d572d63b8cd drivers/gpu/drm/i915/i915_gem_shrinker.c Chris Wilson 2017-09-06 234 *nr_scanned += scanned; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 235 return count; be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 236 } be6a0376950475 drivers/gpu/drm/i915/i915_gem_shrinker.c Daniel Vetter 2015-03-18 237 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org