| Message ID | 20220405135758.774016-4-catalin.marinas@arm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm, arm64: Reduce ARCH_KMALLOC_MINALIGN below the cache line size | expand |
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index 37d7db6223be..2d4c51f9d74e 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -48,10 +48,10 @@ struct drmres { * Some archs want to perform DMA into kmalloc caches * and need a guaranteed alignment larger than * the alignment of a 64-bit integer. - * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same + * Thus we use ARCH_DMA_MINALIGN here and get at least the same * buffer alignment as if it was allocated by plain kmalloc(). */ - u8 __aligned(ARCH_KMALLOC_MINALIGN) data[]; + u8 __aligned(ARCH_DMA_MINALIGN) data[]; }; static void free_dr(struct drmres *dr)
ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Daniel Vetter <daniel@ffwll.ch> --- drivers/gpu/drm/drm_managed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)