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kasan: update kasan_poison documentation comment 

The comment for kasan_poison says that the size argument gets aligned by
the function to KASAN_GRANULE_SIZE, which is wrong: the argument must be
already aligned when it is passed to the function.

Remove the invalid part of the comment.

Link: https://lkml.kernel.org/r/992a302542059fc40d86ea560eac413ecb31b6a1.1703188911.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andrey Konovalov 2023-12-21 21:04:47 +01:00 committed by Andrew Morton
parent 3067b919ed
commit 1a55836a1b
1 changed files with 0 additions and 2 deletions
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mm/kasan/kasan.h
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@ -513,8 +513,6 @@ static inline bool kasan_byte_accessible(const void *addr)
* @size - range size, must be aligned to KASAN_GRANULE_SIZE
* @value - value that's written to metadata for the range
* @init - whether to initialize the memory range (only for hardware tag-based)
*
* The size gets aligned to KASAN_GRANULE_SIZE before marking the range.
*/
void kasan_poison(const void *addr, size_t size, u8 value, bool init);