diff options
| author | Andrey Konovalov <[email protected]> | 2022-03-24 18:10:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-03-24 19:06:46 -0700 |
| commit | 487a32ec24be819e747af8c2ab0d5c515508086a (patch) | |
| tree | f503c963e6995076c3616a308bdb43f9ecd2a3ce | |
| parent | db8a04774a8195c529f1e87cd1df87f116559b52 (diff) | |
kasan: drop skip_kasan_poison variable in free_pages_prepare
skip_kasan_poison is only used in a single place. Call
should_skip_kasan_poison() directly for simplicity.
Link: https://lkml.kernel.org/r/1d33212e79bc9ef0b4d3863f903875823e89046f.1643047180.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <[email protected]>
Suggested-by: Marco Elver <[email protected]>
Acked-by: Marco Elver <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Evgenii Stepanov <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Peter Collingbourne <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/page_alloc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3da959402db8..94a220d661b1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1297,7 +1297,6 @@ static __always_inline bool free_pages_prepare(struct page *page, unsigned int order, bool check_free, fpi_t fpi_flags) { int bad = 0; - bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags); bool init = want_init_on_free(); VM_BUG_ON_PAGE(PageTail(page), page); @@ -1371,7 +1370,7 @@ static __always_inline bool free_pages_prepare(struct page *page, * With hardware tag-based KASAN, memory tags must be set before the * page becomes unavailable via debug_pagealloc or arch_free_page. */ - if (!skip_kasan_poison) { + if (!should_skip_kasan_poison(page, fpi_flags)) { kasan_poison_pages(page, order, init); /* Memory is already initialized if KASAN did it internally. */ |