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| author |   Andrey Konovalov <andreyknvl@google.com> | 2019-01-08 15:23:11 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-08 17:15:11 -0800 |
| commit | eb214f2dda31ffa989033b1e0f848ba0d3cb6188 (patch) | |
| tree | a632bdd4955ee09bf0a6d185082a9b1e44be3c10 /arch/arm64 | |
| parent | mm, memcg: fix reclaim deadlock with writeback (diff) | |
| download | wireguard-linux-eb214f2dda31ffa989033b1e0f848ba0d3cb6188.tar.xz wireguard-linux-eb214f2dda31ffa989033b1e0f848ba0d3cb6188.zip | |
kasan, arm64: use ARCH_SLAB_MINALIGN instead of manual aligning
Instead of changing cache->align to be aligned to KASAN_SHADOW_SCALE_SIZE
in kasan_cache_create() we can reuse the ARCH_SLAB_MINALIGN macro.
Link: http://lkml.kernel.org/r/52ddd881916bcc153a9924c154daacde78522227.1546540962.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Suggested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/cache.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h index 13dd42c3ad4e..eb43e09c1980 100644 --- a/arch/arm64/include/asm/cache.h +++ b/arch/arm64/include/asm/cache.h @@ -58,6 +58,12 @@ */ #define ARCH_DMA_MINALIGN (128) +#ifdef CONFIG_KASAN_SW_TAGS +#define ARCH_SLAB_MINALIGN (1ULL << KASAN_SHADOW_SCALE_SHIFT) +#else +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) +#endif + #ifndef __ASSEMBLY__ #include <linux/bitops.h> |