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@xxxxxxx>
Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
---
drivers/base/devres.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 5c998cfac335..3df0025d12aa 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -29,10 +29,10 @@ struct devres {
* 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
- * buffer alignment as if it was allocated by plain kmalloc().
+ * Thus we use ARCH_DMA_MINALIGN for data[] which will force the same
+ * alignment for struct devres when allocated by kmalloc().
*/
- u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
+ u8 __aligned(ARCH_DMA_MINALIGN) data[];
};
struct devres_group {
