FYI, we noticed a +2259 bytes kernel size regression due to commit: commit: 034675018b7ffa7c01226bb1627372cff4fd72e4 (linux-next) https://github.com/hnaz/linux-mm master Details as below (size data is obtained by `nm --size-sort vmlinux`): edb5f5f6: ipc: uninline functions 03467501: linux-next +------------------------------------------+----------+----------+-------+ | symbol | edb5f5f6 | 03467501 | delta | +------------------------------------------+----------+----------+-------+ | nm.t.do_execveat_common | 0 | 1462 | 1462 | | bzImage | 442528 | 443712 | 1184 | | nm.T.seq_read_iter | 0 | 774 | 774 | | nm.T.__xas_store | 0 | 765 | 765 | | nm.t.bdi_init | 0 | 381 | 381 | | nm.T.mul_u64_u64_div_u64 | 0 | 259 | 259 | | nm.T.copy_thread | 0 | 238 | 238 | | nm.t.perf_event_text_poke_output | 0 | 219 | 219 | | nm.T.__close_range | 0 | 201 | 201 | | nm.T.device_link_add | 556 | 715 | 159 | | nm.T._anon_inode_getfile | 0 | 148 | 148 | | nm.t.devlink_add_symlinks | 0 | 141 | 141 | | nm.t.devlink_remove_symlinks | 0 | 138 | 138 | | nm.T.fw_devlink_resume | 47 | 172 | 125 | | nm.t.__wait_on_page_locked_async | 0 | 121 | 121 | | nm.t.text_poke_bp_batch | 242 | 363 | 121 | | nm.T.get_callchain_entry | 0 | 120 | 120 | | nm.T.perf_event_text_poke | 0 | 119 | 119 | | nm.T.__receive_fd | 0 | 118 | 118 | | nm.T.vfs_read | 148 | 265 | 117 | | nm.T.vfs_write | 194 | 305 | 111 | | nm.t.driver_deferred_probe_trigger | 12 | 122 | 110 | | nm.t._anon_inode_getfd | 0 | 98 | 98 | | nm.T.device_is_dependent | 0 | 98 | 98 | | nm.T.vfs_generate_unique_id | 0 | 92 | 92 | | nm.T.generic_file_buffered_read | 1275 | 1362 | 87 | | nm.t.vfs_readv | 0 | 81 | 81 | | nm.T.intel_pmu_lbr_sched_task | 554 | 635 | 81 | | nm.t.intel_get_event_constraints | 446 | 526 | 80 | | nm.t.__devm_ioremap_resource | 131 | 200 | 69 | | nm.T.sched_dl_overflow | 587 | 655 | 68 | | nm.t.really_probe | 485 | 550 | 65 | | nm.T.clear_bdi_congested | 0 | 64 | 64 | | nm.T.unshare_fd | 0 | 64 | 64 | | nm.d.devlink_class | 0 | 60 | 60 | | nm.t.state_synced_show | 0 | 59 | 59 | | nm.T.vm_area_dup | 58 | 117 | 59 | | nm.T.x86_perf_get_lbr | 0 | 57 | 57 | | nm.t.__kobject_del | 0 | 55 | 55 | | nm.T.__checkparam_dl | 92 | 147 | 55 | | nm.t.inode_io_list_del_locked | 0 | 53 | 53 | | nm.t.devlink_class_init | 0 | 52 | 52 | | nm.W.memcmp_pages | 0 | 51 | 51 | | nm.T.thread_group_exited | 0 | 51 | 51 | | nm.t.intel_set_masks | 0 | 49 | 49 | | nm.t.auto_remove_on_show | 0 | 48 | 48 | | nm.t.redirty_tail_locked | 0 | 48 | 48 | | nm.T._do_fork | 298 | 344 | 46 | | nm.T.sched_init | 304 | 348 | 44 | | nm.T.sched_set_normal | 0 | 42 | 42 | | nm.t.status_show | 0 | 42 | 42 | | nm.D.vlbr_constraint | 0 | 40 | 40 | | nm.t.x86_nofsgsbase_setup | 0 | 40 | 40 | | nm.t.ns_ioctl | 114 | 153 | 39 | | nm.t.is_sb_event | 0 | 38 | 38 | | nm.t.pick_file | 0 | 37 | 37 | | nm.T.get_fs_root_rcu | 0 | 35 | 35 | | nm.t.queue_io | 104 | 135 | 31 | | nm.T.find_get_pages_range_tag | 326 | 357 | 31 | | nm.T.dup_fd | 357 | 388 | 31 | | nm.T.__kernel_write | 127 | 156 | 29 | | nm.t.runtime_pm_show | 0 | 28 | 28 | | nm.t.sync_state_only_show | 0 | 28 | 28 | | nm.T.device_add | 850 | 878 | 28 | | nm.T.__kernel_read | 122 | 149 | 27 | | nm.T.xas_find_marked | 395 | 422 | 27 | | nm.T.sched_set_fifo | 0 | 26 | 26 | | nm.T.sched_set_fifo_low | 0 | 26 | 26 | | nm.T.intel_pmu_lbr_read | 833 | 858 | 25 | | nm.T.set_bdi_congested | 0 | 24 | 24 | | nm.t.direct_splice_actor | 23 | 45 | 22 | | nm.T.vfs_create_mount | 140 | 162 | 22 | | nm.d.devlink_attrs | 0 | 20 | 20 | | nm.d.devlink_class_intf | 0 | 20 | 20 | | nm.r.devlink_group | 0 | 20 | 20 | | nm.d.platform_dev_group | 0 | 20 | 20 | | nm.t.free_vmap_block | 57 | 77 | 20 | | nm.T.device_del | 494 | 514 | 20 | | nm.T.anon_inode_getfd_secure | 0 | 19 | 19 | | nm.T.anon_inode_getfile_secure | 0 | 19 | 19 | | nm.t.sw_perf_event_destroy | 75 | 94 | 19 | | nm.T.intel_pmu_lbr_del | 98 | 117 | 19 | | nm.T.intel_pmu_lbr_add | 152 | 171 | 19 | | nm.t.__device_link_del | 54 | 72 | 18 | | nm.T.device_links_check_suppliers | 188 | 206 | 18 | | nm.t.clone_mnt | 420 | 438 | 18 | | nm.t.numa_node_show | 0 | 17 | 17 | | nm.t.do_splice_to | 117 | 134 | 17 | | nm.t.x86_pmu_enable | 497 | 514 | 17 | | nm.t.identify_cpu | 737 | 754 | 17 | | nm.d.dev_attr_auto_remove_on | 0 | 16 | 16 | | nm.d.dev_attr_numa_node | 0 | 16 | 16 | | nm.d.dev_attr_runtime_pm | 0 | 16 | 16 | | nm.d.dev_attr_state_synced | 0 | 16 | 16 | | nm.d.dev_attr_status | 0 | 16 | 16 | | nm.d.dev_attr_sync_state_only | 0 | 16 | 16 | | nm.T.release_dentry_name_snapshot | 35 | 51 | 16 | | nm.T.tag_pages_for_writeback | 207 | 223 | 16 | | nm.t.cr4_set_bits | 0 | 15 | 15 | | nm.t.platform_dev_attrs_visible | 0 | 15 | 15 | | nm.T.device_links_driver_bound | 253 | 268 | 15 | | nm.T.bdi_put | 22 | 36 | 14 | | nm.t._free_event | 431 | 445 | 14 | | nm.T.check_bugs | 1443 | 1457 | 14 | | nm.t.perf_event_alloc | 1637 | 1651 | 14 | | nm.T.__ia32_sys_close_range | 0 | 13 | 13 | | nm.T.xa_extract | 493 | 506 | 13 | | nm.t.__setup_x86_nofsgsbase_setup | 0 | 12 | 12 | | nm.t.device_link_drop_managed | 33 | 45 | 12 | | nm.t.__device_links_no_driver | 101 | 113 | 12 | | nm.T.intel_pmu_lbr_enable_all | 117 | 129 | 12 | | nm.T.device_release_driver_internal | 272 | 284 | 12 | | nm.T.do_splice | 1162 | 1174 | 12 | | nm.R.sys_call_table | 1760 | 1772 | 12 | | nm.t.__setup_str_x86_nofsgsbase_setup | 0 | 11 | 11 | | nm.T.intel_pmu_lbr_disable_all | 39 | 50 | 11 | | nm.t.kobject_release | 57 | 68 | 11 | | nm.T.perf_event_ksymbol | 167 | 178 | 11 | | nm.t.writeback_sb_inodes | 628 | 639 | 11 | | nm.T.__lock_page_async | 0 | 10 | 10 | | nm.T.device_links_no_driver | 73 | 82 | 9 | | nm.T.devm_kmalloc | 74 | 83 | 9 | | nm.T.device_links_busy | 86 | 95 | 9 | | nm.T.device_links_driver_cleanup | 95 | 104 | 9 | | nm.T.device_links_unbind_consumers | 122 | 131 | 9 | | nm.d.deferred_fw_devlink | 0 | 8 | 8 | | nm.t.devlink_dev_release | 0 | 8 | 8 | | nm.d.devlink_groups | 0 | 8 | 8 | | nm.T.put_callchain_entry | 0 | 8 | 8 | | nm.b.vfs_identifier_offset | 0 | 8 | 8 | | nm.b.vfs_last_identifier | 0 | 8 | 8 | | nm.d.mnt_id_ida | 8 | 16 | 8 | | nm.t.alloc_super | 563 | 571 | 8 | | nm.T.ida_alloc_range | 638 | 645 | 7 | | nm.W.__ia32_sys_fsinfo | 0 | 6 | 6 | | nm.W.__ia32_sys_watch_mount | 0 | 6 | 6 | | nm.W.__ia32_sys_watch_sb | 0 | 6 | 6 | | nm.r.idt_descr | 0 | 6 | 6 | | nm.t.device_link_put_kref | 29 | 35 | 6 | | nm.t.__device_links_queue_sync_state | 103 | 109 | 6 | | nm.T.wb_workfn | 538 | 544 | 6 | | nm.T.devm_kfree | 34 | 39 | 5 | | nm.T.exit_mmap | 204 | 209 | 5 | | nm.t.alloc_vfsmnt | 264 | 269 | 5 | | nm.d.nr_text_poke_events | 0 | 4 | 4 | | nm.D.sysctl_sched_dl_period_max | 0 | 4 | 4 | | nm.D.sysctl_sched_dl_period_min | 0 | 4 | 4 | | nm.d.platform_dev_attrs | 12 | 16 | 4 | | nm.T.x86_perf_event_set_period | 442 | 446 | 4 | | nm.D.cpu_hw_events | 3800 | 3804 | 4 | | nm.T.unshare_files | 69 | 72 | 3 | | nm.t.device_reorder_to_tail | 82 | 85 | 3 | | nm.T.intel_pmu_store_pebs_lbrs | 258 | 261 | 3 | | nm.T.ksys_unshare | 421 | 424 | 3 | | nm.t.copy_process | 3366 | 3369 | 3 | | nm.t.__device_link_free_srcu | 44 | 46 | 2 | | nm.T.__wait_rcu_gp | 159 | 160 | 1 | | nm.T.__mark_inode_dirty | 292 | 293 | 1 | | nm.t.enqueue_task | 47 | 46 | -1 | | nm.W.mem_encrypt_free_decrypted_mem | 1 | 0 | -1 | | nm.T.intel_pmu_init | 4080 | 4078 | -2 | | nm.T.do_execve | 23 | 20 | -3 | | nm.T.resume_console | 35 | 32 | -3 | | nm.t.__schedule | 567 | 564 | -3 | | nm.t.get_rr_interval_idle | 3 | 0 | -3 | | nm.R.dl_sched_class | 68 | 64 | -4 | | nm.R.fair_sched_class | 68 | 64 | -4 | | nm.R.idle_sched_class | 68 | 64 | -4 | | nm.R.rt_sched_class | 68 | 64 | -4 | | nm.t.pebs_update_state | 541 | 537 | -4 | | nm.b.exclusive_console | 4 | 0 | -4 | | nm.T.free_initmem | 30 | 25 | -5 | | nm.t.__writeback_single_inode | 221 | 216 | -5 | | nm.T.__ia32_sys_pidfd_getfd | 260 | 255 | -5 | | nm.t.shrink_node | 553 | 548 | -5 | | nm.T.account_page_redirty | 66 | 60 | -6 | | nm.T.account_page_dirtied | 111 | 105 | -6 | | nm.R.idt_descr | 6 | 0 | -6 | | nm.T.yield_to | 114 | 107 | -7 | | nm.t.try_enable_new_console | 210 | 203 | -7 | | nm.b.exclusive_console_stop_seq | 8 | 0 | -8 | | nm.d.umh_list | 8 | 0 | -8 | | nm.T.software_node_unregister_node_group | 38 | 26 | -12 | | nm.t.wb_writeback | 249 | 237 | -12 | | nm.D.noop_backing_dev_info | 372 | 360 | -12 | | nm.d.umh_list_lock | 12 | 0 | -12 | | nm.T.do_exit | 1521 | 1508 | -13 | | nm.T.do_execveat | 19 | 5 | -14 | | nm.t.shrink_page_list | 1922 | 1908 | -14 | | nm.T.legacy_clone_args_valid | 16 | 0 | -16 | | nm.T.__ia32_sys_clone | 116 | 98 | -18 | | nm.t.release_bdi | 86 | 67 | -19 | | nm.T.copy_mount_options | 134 | 115 | -19 | | nm.r.platform_dev_group | 20 | 0 | -20 | | nm.T.set_wb_congested | 20 | 0 | -20 | | nm.T.check_preempt_curr | 87 | 66 | -21 | | nm.T.do_execve_file | 22 | 0 | -22 | | nm.t.wb_congested_put | 25 | 0 | -25 | | nm.T.__close_fd | 54 | 27 | -27 | | nm.T.register_console | 440 | 412 | -28 | | nm.t.wb_congested | 28 | 0 | -28 | | nm.T.d_path | 198 | 168 | -30 | | nm.T.page_cache_async_readahead | 148 | 115 | -33 | | nm.t.pidfd_poll | 81 | 46 | -35 | | nm.T.generic_fadvise | 528 | 492 | -36 | | nm.t.redirty_tail | 37 | 0 | -37 | | nm.t.setup_irq_thread | 145 | 107 | -38 | | nm.t.writeback_single_inode | 184 | 146 | -38 | | nm.T.inode_io_list_del | 63 | 24 | -39 | | nm.T.kobject_del | 63 | 17 | -46 | | nm.t.call_usermodehelper_exec_async | 244 | 193 | -51 | | nm.T.memcmp_pages | 51 | 0 | -51 | | nm.t.umh_clean_and_save_pid | 52 | 0 | -52 | | nm.t.intel_pmu_disable_event | 274 | 221 | -53 | | nm.t.move_expired_inodes | 305 | 245 | -60 | | nm.T.clear_wb_congested | 60 | 0 | -60 | | nm.t.unshare_fd | 62 | 0 | -62 | | nm.t.write_pipe_buf | 62 | 0 | -62 | | nm.T.anon_inode_getfd | 84 | 17 | -67 | | nm.t.do_splice_from | 71 | 0 | -71 | | nm.T.vfs_readv | 81 | 0 | -81 | | nm.T.anon_inode_getfile | 101 | 17 | -84 | | nm.T.bdi_alloc | 132 | 44 | -88 | | nm.T.get_perf_callchain | 389 | 296 | -93 | | nm.t.device_is_dependent | 95 | 0 | -95 | | nm.t.intel_pmu_enable_event | 528 | 432 | -96 | | nm.T.__exit_umh | 102 | 0 | -102 | | nm.t.default_bdi_init | 152 | 42 | -110 | | nm.T.driver_deferred_probe_force_trigger | 112 | 0 | -112 | | nm.T.console_unlock | 168 | 47 | -121 | | nm.t.new_sync_read | 122 | 0 | -122 | | nm.T.cputime_adjust | 395 | 269 | -126 | | nm.t.new_sync_write | 129 | 0 | -129 | | nm.T.call_usermodehelper_setup_file | 136 | 0 | -136 | | nm.t.umh_pipe_setup | 187 | 0 | -187 | | nm.T.fork_usermode_blob | 191 | 0 | -191 | | nm.T.copy_thread_tls | 238 | 0 | -238 | | nm.t.cgwb_bdi_init | 409 | 0 | -409 | | nm.t.default_file_splice_read | 451 | 0 | -451 | | nm.T.seq_read | 709 | 236 | -473 | | nm.T.xas_store | 783 | 31 | -752 | | nm.t.__do_execve_file | 1520 | 0 | -1520 | +------------------------------------------+----------+----------+-------+ Thanks