tree: https://android.googlesource.com/kernel/common android12-5.10-m2107 head: 8924937542055a16cdee42c835c8326d8d531564 commit: 1c5371744061fcce2cc93540fa30ac104db13db7 [3711/10686] FROMLIST: mm: provide speculative fault infrastructure config: i386-randconfig-r021-20210816 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2c6448cdc2f68f8c28fd0bd9404182b81306e6e6) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10-m2107 git checkout 1c5371744061fcce2cc93540fa30ac104db13db7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static inline bool is_zone_device_page(const struct page *page) ^ include/linux/mm.h:1156:56: warning: unused parameter 'page' [-Wunused-parameter] static inline bool page_is_devmap_managed(struct page *page) ^ include/linux/mm.h:1161:57: warning: unused parameter 'page' [-Wunused-parameter] static inline void put_devmap_managed_page(struct page *page) ^ include/linux/mm.h:1401:64: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int page_cpupid_xchg_last(struct page *page, int cpupid) ^ include/linux/mm.h:1411:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_nid(int cpupid) ^ include/linux/mm.h:1416:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_pid(int cpupid) ^ include/linux/mm.h:1421:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_cpu(int cpupid) ^ include/linux/mm.h:1426:41: warning: unused parameter 'nid' [-Wunused-parameter] static inline int cpu_pid_to_cpupid(int nid, int pid) ^ include/linux/mm.h:1426:50: warning: unused parameter 'pid' [-Wunused-parameter] static inline int cpu_pid_to_cpupid(int nid, int pid) ^ include/linux/mm.h:1431:41: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline bool cpupid_pid_unset(int cpupid) ^ include/linux/mm.h:1436:56: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_cpupid_reset_last(struct page *page) ^ include/linux/mm.h:1440:57: warning: unused parameter 'task' [-Wunused-parameter] static inline bool cpupid_match_pid(struct task_struct *task, int cpupid) ^ include/linux/mm.h:1440:67: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline bool cpupid_match_pid(struct task_struct *task, int cpupid) ^ include/linux/mm.h:1471:52: warning: unused parameter 'page' [-Wunused-parameter] static inline u8 page_kasan_tag(const struct page *page) ^ include/linux/mm.h:1476:52: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_kasan_tag_set(struct page *page, u8 tag) { } ^ include/linux/mm.h:1476:61: warning: unused parameter 'tag' [-Wunused-parameter] static inline void page_kasan_tag_set(struct page *page, u8 tag) { } ^ include/linux/mm.h:1477:54: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_kasan_tag_reset(struct page *page) { } ^ include/linux/mm.h:1486:56: warning: unused parameter 'page' [-Wunused-parameter] static inline pg_data_t *page_pgdat(const struct page *page) ^ include/linux/mm.h:1517:36: warning: unused parameter 'pfn' [-Wunused-parameter] unsigned long node, unsigned long pfn) ^ include/linux/mm.h:1537:58: warning: unused parameter 'page' [-Wunused-parameter] static inline struct mem_cgroup *page_memcg(struct page *page) ^ include/linux/mm.h:1541:62: warning: unused parameter 'page' [-Wunused-parameter] static inline struct mem_cgroup *page_memcg_rcu(struct page *page) ^ In file included from drivers/gpu/drm/i915/i915_drv.c:32: In file included from include/linux/oom.h:11: In file included from include/linux/mm.h:1551: include/linux/vmstat.h:392:42: warning: unused parameter 'cpu' [-Wunused-parameter] static inline void cpu_vm_stats_fold(int cpu) { } ^ include/linux/vmstat.h:395:48: warning: unused parameter 'zone' [-Wunused-parameter] static inline void drain_zonestat(struct zone *zone, ^ include/linux/vmstat.h:396:28: warning: unused parameter 'pset' [-Wunused-parameter] struct per_cpu_pageset *pset) { } ^ In file included from drivers/gpu/drm/i915/i915_drv.c:32: In file included from include/linux/oom.h:11: include/linux/mm.h:1736:58: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_begin(struct vm_area_struct *vma) ^ include/linux/mm.h:1739:65: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_begin_nested(struct vm_area_struct *vma, ^ include/linux/mm.h:1740:11: warning: unused parameter 'subclass' [-Wunused-parameter] int subclass) ^ include/linux/mm.h:1743:56: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_end(struct vm_area_struct *vma) ^ include/linux/mm.h:1746:62: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_raw_write_begin(struct vm_area_struct *vma) ^ include/linux/mm.h:1749:60: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_raw_write_end(struct vm_area_struct *vma) ^ include/linux/mm.h:1786:62: warning: unused parameter 'mm' [-Wunused-parameter] static inline int handle_speculative_fault(struct mm_struct *mm, ^ include/linux/mm.h:1787:23: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address, ^ unsigned int flags) ^ include/linux/mm.h:2084:50: warning: unused parameter 'mm' [-Wunused-parameter] static inline void sync_mm_rss(struct mm_struct *mm) ^ include/linux/mm.h:2102:36: warning: unused parameter 'pte' [-Wunused-parameter] static inline int pte_devmap(pte_t pte) ^ include/linux/mm.h:2121:49: warning: unused parameter 'mm' [-Wunused-parameter] static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, ^ include/linux/mm.h:2121:60: warning: unused parameter 'pgd' [-Wunused-parameter] static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, ^ include/linux/mm.h:2122:21: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address) ^ include/linux/mm.h:2131:49: warning: unused parameter 'mm' [-Wunused-parameter] static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, ^ include/linux/mm.h:2131:60: warning: unused parameter 'p4d' [-Wunused-parameter] static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, ^ include/linux/mm.h:2132:21: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address) ^ include/linux/mm.h:2136:53: warning: unused parameter 'mm' [-Wunused-parameter] static inline void mm_inc_nr_puds(struct mm_struct *mm) {} ^ include/linux/mm.h:2137:53: warning: unused parameter 'mm' [-Wunused-parameter] static inline void mm_dec_nr_puds(struct mm_struct *mm) {} ^ include/linux/mm.h:2298:68: warning: unused parameter 'pmd' [-Wunused-parameter] static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) ^ include/linux/mm.h:2303:45: warning: unused parameter 'page' [-Wunused-parameter] static inline bool ptlock_init(struct page *page) { return true; } ^ include/linux/mm.h:2304:45: warning: unused parameter 'page' [-Wunused-parameter] static inline void ptlock_free(struct page *page) {} ^ include/linux/mm.h:2389:68: warning: unused parameter 'pmd' [-Wunused-parameter] static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) ^ include/linux/mm.h:2394:49: warning: unused parameter 'page' [-Wunused-parameter] static inline bool pmd_ptlock_init(struct page *page) { return true; } ^ include/linux/mm.h:2395:49: warning: unused parameter 'page' [-Wunused-parameter] static inline void pmd_ptlock_free(struct page *page) {} ^ include/linux/mm.h:2430:68: warning: unused parameter 'pud' [-Wunused-parameter] static inline spinlock_t *pud_lockptr(struct mm_struct *mm, pud_t *pud) ^ include/linux/mm.h:2541:50: warning: unused parameter 'pfn' [-Wunused-parameter] static inline int early_pfn_to_nid(unsigned long pfn) ^ include/linux/mm.h:3090:69: warning: unused parameter 'mm' [-Wunused-parameter] static inline struct vm_area_struct *get_gate_vma(struct mm_struct *mm) ^ include/linux/mm.h:3094:52: warning: unused parameter 'addr' [-Wunused-parameter] static inline int in_gate_area_no_mm(unsigned long addr) { return 0; } ^ include/linux/mm.h:3095:50: warning: unused parameter 'mm' [-Wunused-parameter] static inline int in_gate_area(struct mm_struct *mm, unsigned long addr) ^ include/linux/mm.h:3095:68: warning: unused parameter 'addr' [-Wunused-parameter] static inline int in_gate_area(struct mm_struct *mm, unsigned long addr) ^ include/linux/mm.h:3261:47: warning: unused parameter 'page' [-Wunused-parameter] static inline bool page_is_guard(struct page *page) { return false; } ^ In file included from drivers/gpu/drm/i915/i915_drv.c:34: In file included from include/linux/pci.h:38: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:5: include/linux/context_tracking_state.h:51:53: warning: unused parameter 'cpu' [-Wunused-parameter] static inline bool context_tracking_enabled_cpu(int cpu) { return false; } ^ In file included from drivers/gpu/drm/i915/i915_drv.c:34: In file included from include/linux/pci.h:38: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:9: include/linux/vtime.h:54:53: warning: unused parameter 'cpu' [-Wunused-parameter] static inline bool vtime_accounting_enabled_cpu(int cpu) {return false; } ^ include/linux/vtime.h:56:58: warning: unused parameter 'prev' [-Wunused-parameter] static inline void vtime_task_switch(struct task_struct *prev) { } ^ include/linux/vtime.h:67:61: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_account_kernel(struct task_struct *tsk) { } ^ include/linux/vtime.h:78:57: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_user_enter(struct task_struct *tsk) { } ^ include/linux/vtime.h:79:56: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_user_exit(struct task_struct *tsk) { } ^ include/linux/vtime.h:80:58: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_guest_enter(struct task_struct *tsk) { } ^ -- ^ include/linux/mm.h:1161:57: warning: unused parameter 'page' [-Wunused-parameter] static inline void put_devmap_managed_page(struct page *page) ^ include/linux/mm.h:1401:64: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int page_cpupid_xchg_last(struct page *page, int cpupid) ^ include/linux/mm.h:1411:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_nid(int cpupid) ^ include/linux/mm.h:1416:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_pid(int cpupid) ^ include/linux/mm.h:1421:37: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline int cpupid_to_cpu(int cpupid) ^ include/linux/mm.h:1426:41: warning: unused parameter 'nid' [-Wunused-parameter] static inline int cpu_pid_to_cpupid(int nid, int pid) ^ include/linux/mm.h:1426:50: warning: unused parameter 'pid' [-Wunused-parameter] static inline int cpu_pid_to_cpupid(int nid, int pid) ^ include/linux/mm.h:1431:41: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline bool cpupid_pid_unset(int cpupid) ^ include/linux/mm.h:1436:56: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_cpupid_reset_last(struct page *page) ^ include/linux/mm.h:1440:57: warning: unused parameter 'task' [-Wunused-parameter] static inline bool cpupid_match_pid(struct task_struct *task, int cpupid) ^ include/linux/mm.h:1440:67: warning: unused parameter 'cpupid' [-Wunused-parameter] static inline bool cpupid_match_pid(struct task_struct *task, int cpupid) ^ include/linux/mm.h:1471:52: warning: unused parameter 'page' [-Wunused-parameter] static inline u8 page_kasan_tag(const struct page *page) ^ include/linux/mm.h:1476:52: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_kasan_tag_set(struct page *page, u8 tag) { } ^ include/linux/mm.h:1476:61: warning: unused parameter 'tag' [-Wunused-parameter] static inline void page_kasan_tag_set(struct page *page, u8 tag) { } ^ include/linux/mm.h:1477:54: warning: unused parameter 'page' [-Wunused-parameter] static inline void page_kasan_tag_reset(struct page *page) { } ^ include/linux/mm.h:1486:56: warning: unused parameter 'page' [-Wunused-parameter] static inline pg_data_t *page_pgdat(const struct page *page) ^ include/linux/mm.h:1517:36: warning: unused parameter 'pfn' [-Wunused-parameter] unsigned long node, unsigned long pfn) ^ include/linux/mm.h:1537:58: warning: unused parameter 'page' [-Wunused-parameter] static inline struct mem_cgroup *page_memcg(struct page *page) ^ include/linux/mm.h:1541:62: warning: unused parameter 'page' [-Wunused-parameter] static inline struct mem_cgroup *page_memcg_rcu(struct page *page) ^ In file included from drivers/gpu/drm/i915/i915_config.c:6: In file included from drivers/gpu/drm/i915/i915_drv.h:38: In file included from include/linux/io-mapping.h:33: In file included from arch/x86/include/asm/iomap.h:10: In file included from include/linux/mm.h:1551: include/linux/vmstat.h:392:42: warning: unused parameter 'cpu' [-Wunused-parameter] static inline void cpu_vm_stats_fold(int cpu) { } ^ include/linux/vmstat.h:395:48: warning: unused parameter 'zone' [-Wunused-parameter] static inline void drain_zonestat(struct zone *zone, ^ include/linux/vmstat.h:396:28: warning: unused parameter 'pset' [-Wunused-parameter] struct per_cpu_pageset *pset) { } ^ In file included from drivers/gpu/drm/i915/i915_config.c:6: In file included from drivers/gpu/drm/i915/i915_drv.h:38: In file included from include/linux/io-mapping.h:33: In file included from arch/x86/include/asm/iomap.h:10: include/linux/mm.h:1736:58: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_begin(struct vm_area_struct *vma) ^ include/linux/mm.h:1739:65: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_begin_nested(struct vm_area_struct *vma, ^ include/linux/mm.h:1740:11: warning: unused parameter 'subclass' [-Wunused-parameter] int subclass) ^ include/linux/mm.h:1743:56: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_write_end(struct vm_area_struct *vma) ^ include/linux/mm.h:1746:62: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_raw_write_begin(struct vm_area_struct *vma) ^ include/linux/mm.h:1749:60: warning: unused parameter 'vma' [-Wunused-parameter] static inline void vm_raw_write_end(struct vm_area_struct *vma) ^ include/linux/mm.h:1786:62: warning: unused parameter 'mm' [-Wunused-parameter] static inline int handle_speculative_fault(struct mm_struct *mm, ^ include/linux/mm.h:1787:23: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address, ^ unsigned int flags) ^ include/linux/mm.h:2084:50: warning: unused parameter 'mm' [-Wunused-parameter] static inline void sync_mm_rss(struct mm_struct *mm) ^ include/linux/mm.h:2102:36: warning: unused parameter 'pte' [-Wunused-parameter] static inline int pte_devmap(pte_t pte) ^ include/linux/mm.h:2121:49: warning: unused parameter 'mm' [-Wunused-parameter] static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, ^ include/linux/mm.h:2121:60: warning: unused parameter 'pgd' [-Wunused-parameter] static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, ^ include/linux/mm.h:2122:21: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address) ^ include/linux/mm.h:2131:49: warning: unused parameter 'mm' [-Wunused-parameter] static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, ^ include/linux/mm.h:2131:60: warning: unused parameter 'p4d' [-Wunused-parameter] static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, ^ include/linux/mm.h:2132:21: warning: unused parameter 'address' [-Wunused-parameter] unsigned long address) ^ include/linux/mm.h:2136:53: warning: unused parameter 'mm' [-Wunused-parameter] static inline void mm_inc_nr_puds(struct mm_struct *mm) {} ^ include/linux/mm.h:2137:53: warning: unused parameter 'mm' [-Wunused-parameter] static inline void mm_dec_nr_puds(struct mm_struct *mm) {} ^ include/linux/mm.h:2298:68: warning: unused parameter 'pmd' [-Wunused-parameter] static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd) ^ include/linux/mm.h:2303:45: warning: unused parameter 'page' [-Wunused-parameter] static inline bool ptlock_init(struct page *page) { return true; } ^ include/linux/mm.h:2304:45: warning: unused parameter 'page' [-Wunused-parameter] static inline void ptlock_free(struct page *page) {} ^ include/linux/mm.h:2389:68: warning: unused parameter 'pmd' [-Wunused-parameter] static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) ^ include/linux/mm.h:2394:49: warning: unused parameter 'page' [-Wunused-parameter] static inline bool pmd_ptlock_init(struct page *page) { return true; } ^ include/linux/mm.h:2395:49: warning: unused parameter 'page' [-Wunused-parameter] static inline void pmd_ptlock_free(struct page *page) {} ^ include/linux/mm.h:2430:68: warning: unused parameter 'pud' [-Wunused-parameter] static inline spinlock_t *pud_lockptr(struct mm_struct *mm, pud_t *pud) ^ include/linux/mm.h:2541:50: warning: unused parameter 'pfn' [-Wunused-parameter] static inline int early_pfn_to_nid(unsigned long pfn) ^ include/linux/mm.h:3090:69: warning: unused parameter 'mm' [-Wunused-parameter] static inline struct vm_area_struct *get_gate_vma(struct mm_struct *mm) ^ include/linux/mm.h:3094:52: warning: unused parameter 'addr' [-Wunused-parameter] static inline int in_gate_area_no_mm(unsigned long addr) { return 0; } ^ include/linux/mm.h:3095:50: warning: unused parameter 'mm' [-Wunused-parameter] static inline int in_gate_area(struct mm_struct *mm, unsigned long addr) ^ include/linux/mm.h:3095:68: warning: unused parameter 'addr' [-Wunused-parameter] static inline int in_gate_area(struct mm_struct *mm, unsigned long addr) ^ include/linux/mm.h:3261:47: warning: unused parameter 'page' [-Wunused-parameter] static inline bool page_is_guard(struct page *page) { return false; } ^ In file included from drivers/gpu/drm/i915/i915_config.c:6: In file included from drivers/gpu/drm/i915/i915_drv.h:38: In file included from include/linux/io-mapping.h:33: In file included from arch/x86/include/asm/iomap.h:12: In file included from arch/x86/include/asm/cacheflush.h:8: include/asm-generic/cacheflush.h:21:53: warning: unused parameter 'mm' [-Wunused-parameter] static inline void flush_cache_mm(struct mm_struct *mm) ^ include/asm-generic/cacheflush.h:27:57: warning: unused parameter 'mm' [-Wunused-parameter] static inline void flush_cache_dup_mm(struct mm_struct *mm) ^ include/asm-generic/cacheflush.h:33:61: warning: unused parameter 'vma' [-Wunused-parameter] static inline void flush_cache_range(struct vm_area_struct *vma, ^ include/asm-generic/cacheflush.h:34:24: warning: unused parameter 'start' [-Wunused-parameter] unsigned long start, ^ include/asm-generic/cacheflush.h:35:24: warning: unused parameter 'end' [-Wunused-parameter] unsigned long end) ^ include/asm-generic/cacheflush.h:41:60: warning: unused parameter 'vma' [-Wunused-parameter] static inline void flush_cache_page(struct vm_area_struct *vma, ^ include/asm-generic/cacheflush.h:42:23: warning: unused parameter 'vmaddr' [-Wunused-parameter] unsigned long vmaddr, ^ include/asm-generic/cacheflush.h:43:23: warning: unused parameter 'pfn' [-Wunused-parameter] unsigned long pfn) ^ .. vim +/flags +1788 include/linux/mm.h 1698 1699 void free_pgd_range(struct mmu_gather *tlb, unsigned long addr, 1700 unsigned long end, unsigned long floor, unsigned long ceiling); 1701 int 1702 copy_page_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma); 1703 int follow_pte_pmd(struct mm_struct *mm, unsigned long address, 1704 struct mmu_notifier_range *range, 1705 pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp); 1706 int follow_pfn(struct vm_area_struct *vma, unsigned long address, 1707 unsigned long *pfn); 1708 int follow_phys(struct vm_area_struct *vma, unsigned long address, 1709 unsigned int flags, unsigned long *prot, resource_size_t *phys); 1710 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, 1711 void *buf, int len, int write); 1712 1713 #ifdef CONFIG_SPECULATIVE_PAGE_FAULT 1714 static inline void vm_write_begin(struct vm_area_struct *vma) 1715 { 1716 write_seqcount_begin(&vma->vm_sequence); 1717 } 1718 static inline void vm_write_begin_nested(struct vm_area_struct *vma, 1719 int subclass) 1720 { 1721 write_seqcount_begin_nested(&vma->vm_sequence, subclass); 1722 } 1723 static inline void vm_write_end(struct vm_area_struct *vma) 1724 { 1725 write_seqcount_end(&vma->vm_sequence); 1726 } 1727 static inline void vm_raw_write_begin(struct vm_area_struct *vma) 1728 { 1729 raw_write_seqcount_begin(&vma->vm_sequence); 1730 } 1731 static inline void vm_raw_write_end(struct vm_area_struct *vma) 1732 { 1733 raw_write_seqcount_end(&vma->vm_sequence); 1734 } 1735 #else 1736 static inline void vm_write_begin(struct vm_area_struct *vma) 1737 { 1738 } 1739 static inline void vm_write_begin_nested(struct vm_area_struct *vma, 1740 int subclass) 1741 { 1742 } 1743 static inline void vm_write_end(struct vm_area_struct *vma) 1744 { 1745 } 1746 static inline void vm_raw_write_begin(struct vm_area_struct *vma) 1747 { 1748 } 1750 { 1751 } 1752 #endif /* CONFIG_SPECULATIVE_PAGE_FAULT */ 1753 1754 extern void truncate_pagecache(struct inode *inode, loff_t new); 1755 extern void truncate_setsize(struct inode *inode, loff_t newsize); 1756 void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to); 1757 void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end); 1758 int truncate_inode_page(struct address_space *mapping, struct page *page); 1759 int generic_error_remove_page(struct address_space *mapping, struct page *page); 1760 int invalidate_inode_page(struct page *page); 1761 1762 #ifdef CONFIG_MMU 1763 extern vm_fault_t handle_mm_fault(struct vm_area_struct *vma, 1764 unsigned long address, unsigned int flags, 1765 struct pt_regs *regs); 1766 extern int fixup_user_fault(struct mm_struct *mm, 1767 unsigned long address, unsigned int fault_flags, 1768 bool *unlocked); 1769 1770 #ifdef CONFIG_SPECULATIVE_PAGE_FAULT 1771 extern int __handle_speculative_fault(struct mm_struct *mm, 1772 unsigned long address, 1773 unsigned int flags); 1774 static inline int handle_speculative_fault(struct mm_struct *mm, 1775 unsigned long address, 1776 unsigned int flags) 1777 { 1778 /* 1779 * Try speculative page fault for multithreaded user space task only. 1780 */ 1781 if (!(flags & FAULT_FLAG_USER) || atomic_read(&mm->mm_users) == 1) 1782 return VM_FAULT_RETRY; 1783 return __handle_speculative_fault(mm, address, flags); 1784 } 1785 #else 1786 static inline int handle_speculative_fault(struct mm_struct *mm, 1787 unsigned long address, 1789 { 1790 return VM_FAULT_RETRY; 1791 } 1792 #endif /* CONFIG_SPECULATIVE_PAGE_FAULT */ 1793 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org