diff --git a/drivers/base/devres.c b/drivers/base/devres.c index f98a097e73f29c92f0bbf86d805f4fd3fd64109d..d68b52cf9225149df0293cca8851ca0205e92c1f 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -24,8 +24,14 @@ struct devres_node { struct devres { struct devres_node node; - /* -- 3 pointers */ - unsigned long long data[]; /* guarantee ull alignment */ + /* + * 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(). + */ + u8 __aligned(ARCH_KMALLOC_MINALIGN) data[]; }; struct devres_group {