diff mbox series

[03/10] drivers/gpu: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Message ID 20220405135758.774016-4-catalin.marinas@arm.com (mailing list archive)
State New, archived
Headers show
Series mm, arm64: Reduce ARCH_KMALLOC_MINALIGN below the cache line size | expand

Commit Message

Catalin Marinas April 5, 2022, 1:57 p.m. UTC
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(-)
diff mbox series

Patch

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)