diff options
| author | Marco Elver <elver@google.com> | 2021-11-05 13:35:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 13:30:33 -0700 |
| commit | 7594b34774294ff23a32506b8b874d6425a1481a (patch) | |
| tree | 4a93e328f2f182cb9f8c7b9a230542f5e9abf875 /mm/kasan/common.c | |
| parent | 11ac25c62cd2f3bb8da9e1df2e71afdebe76f093 (diff) | |
kasan: common: provide can_alloc in kasan_save_stack()
Add another argument, can_alloc, to kasan_save_stack() which is passed
as-is to __stack_depot_save().
No functional change intended.
Link: https://lkml.kernel.org/r/20210913112609.2651084-5-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Taras Madan <tarasmadan@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vijayanand Jitta <vjitta@codeaurora.org>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Cc: Walter Wu <walter-zh.wu@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/kasan/common.c')
| -rw-r--r-- | mm/kasan/common.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 2baf121fb8c5..3e0999892c36 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -30,20 +30,20 @@ #include "kasan.h" #include "../slab.h" -depot_stack_handle_t kasan_save_stack(gfp_t flags) +depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc) { unsigned long entries[KASAN_STACK_DEPTH]; unsigned int nr_entries; nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0); nr_entries = filter_irq_stacks(entries, nr_entries); - return stack_depot_save(entries, nr_entries, flags); + return __stack_depot_save(entries, nr_entries, flags, can_alloc); } void kasan_set_track(struct kasan_track *track, gfp_t flags) { track->pid = current->pid; - track->stack = kasan_save_stack(flags); + track->stack = kasan_save_stack(flags, true); } #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) |