summaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2024-05-23 02:32:04 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2024-05-23 02:32:04 +0200
commit5c6f4d68e2aca67e425b7227369ec9fde8adfb6d (patch)
treeb60f38675b4572047bcb840a89cb07329a5f6c22 /mm
parentmm: simplify and improve print_vma_addr() output (diff)
parentmm/page-owner: use gfp_nested_mask() instead of open coded masking (diff)
downloadlinux-5c6f4d68e2aca67e425b7227369ec9fde8adfb6d.tar.xz
linux-5c6f4d68e2aca67e425b7227369ec9fde8adfb6d.zip
Merge tag 'mm-stable-2024-05-22-17-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more mm updates from Andrew Morton: "A series from Dave Chinner which cleans up and fixes the handling of nested allocations within stackdepot and page-owner" * tag 'mm-stable-2024-05-22-17-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/page-owner: use gfp_nested_mask() instead of open coded masking stackdepot: use gfp_nested_mask() instead of open coded masking mm: lift gfp_kmemleak_mask() to gfp.h
Diffstat (limited to 'mm')
-rw-r--r--mm/kmemleak.c12
-rw-r--r--mm/page_owner.c7
2 files changed, 5 insertions, 14 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index fdcf01f62202..d5b6fba44fc9 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -114,12 +114,6 @@
#define BYTES_PER_POINTER sizeof(void *)
-/* GFP bitmask for kmemleak internal allocations */
-#define gfp_kmemleak_mask(gfp) (((gfp) & (GFP_KERNEL | GFP_ATOMIC | \
- __GFP_NOLOCKDEP)) | \
- __GFP_NORETRY | __GFP_NOMEMALLOC | \
- __GFP_NOWARN)
-
/* scanning area inside a memory block */
struct kmemleak_scan_area {
struct hlist_node node;
@@ -463,7 +457,8 @@ static struct kmemleak_object *mem_pool_alloc(gfp_t gfp)
/* try the slab allocator first */
if (object_cache) {
- object = kmem_cache_alloc_noprof(object_cache, gfp_kmemleak_mask(gfp));
+ object = kmem_cache_alloc_noprof(object_cache,
+ gfp_nested_mask(gfp));
if (object)
return object;
}
@@ -947,7 +942,8 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
untagged_objp = (unsigned long)kasan_reset_tag((void *)object->pointer);
if (scan_area_cache)
- area = kmem_cache_alloc_noprof(scan_area_cache, gfp_kmemleak_mask(gfp));
+ area = kmem_cache_alloc_noprof(scan_area_cache,
+ gfp_nested_mask(gfp));
raw_spin_lock_irqsave(&object->lock, flags);
if (!area) {
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 0a448d76e0af..2d6360eaccbb 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -168,13 +168,8 @@ static void add_stack_record_to_list(struct stack_record *stack_record,
unsigned long flags;
struct stack *stack;
- /* Filter gfp_mask the same way stackdepot does, for consistency */
- gfp_mask &= ~GFP_ZONEMASK;
- gfp_mask &= (GFP_ATOMIC | GFP_KERNEL | __GFP_NOLOCKDEP);
- gfp_mask |= __GFP_NOWARN;
-
set_current_in_page_owner();
- stack = kmalloc(sizeof(*stack), gfp_mask);
+ stack = kmalloc(sizeof(*stack), gfp_nested_mask(gfp_mask));
if (!stack) {
unset_current_in_page_owner();
return;