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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 14:38:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 14:38:01 -0700
commitd42f323a7df0b298c07313db00b44b78555ca8e6 (patch)
treee9ac2b9f20fed683ff78b294c3792acb157787e5 /kernel/task_work.c
parent65ec0a7d24913b146cd1500d759b8c340319d55e (diff)
parent4d75136be8bf3ae01b0bc3e725b2cdc921e103bd (diff)
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "A few misc subsystems and some of MM. 175 patches. Subsystems affected by this patch series: ia64, kbuild, scripts, sh, ocfs2, kfifo, vfs, kernel/watchdog, and mm (slab-generic, slub, kmemleak, debug, pagecache, msync, gup, memremap, memcg, pagemap, mremap, dma, sparsemem, vmalloc, documentation, kasan, initialization, pagealloc, and memory-failure)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (175 commits) mm/memory-failure: unnecessary amount of unmapping mm/mmzone.h: fix existing kernel-doc comments and link them to core-api mm: page_alloc: ignore init_on_free=1 for debug_pagealloc=1 net: page_pool: use alloc_pages_bulk in refill code path net: page_pool: refactor dma_map into own function page_pool_dma_map SUNRPC: refresh rq_pages using a bulk page allocator SUNRPC: set rq_page_end differently mm/page_alloc: inline __rmqueue_pcplist mm/page_alloc: optimize code layout for __alloc_pages_bulk mm/page_alloc: add an array-based interface to the bulk page allocator mm/page_alloc: add a bulk page allocator mm/page_alloc: rename alloced to allocated mm/page_alloc: duplicate include linux/vmalloc.h mm, page_alloc: avoid page_to_pfn() in move_freepages() mm/Kconfig: remove default DISCONTIGMEM_MANUAL mm: page_alloc: dump migrate-failed pages mm/mempolicy: fix mpol_misplaced kernel-doc mm/mempolicy: rewrite alloc_pages_vma documentation mm/mempolicy: rewrite alloc_pages documentation mm/mempolicy: rename alloc_pages_current to alloc_pages ...
Diffstat (limited to 'kernel/task_work.c')
-rw-r--r--kernel/task_work.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/task_work.c b/kernel/task_work.c
index e9316198c64b..1698fbe6f0e1 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -34,6 +34,9 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
{
struct callback_head *head;
+ /* record the work call stack in order to print it in KASAN reports */
+ kasan_record_aux_stack(work);
+
do {
head = READ_ONCE(task->task_works);
if (unlikely(head == &work_exited))