commit "slab: Common Kmalloc cache determination" made mistake in kmalloc_slab(). SLAB_CACHE_DMA is for kmem_cache creation, not for allocation. For allocation, we should use GFP_XXX to identify type of allocation. So, change SLAB_CACHE_DMA to GFP_DMA. Cc: Christoph Lameter <cl@xxxxxxxxx> Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> Signed-off-by: Joonsoo Kim <js1304@xxxxxxxxx> diff --git a/mm/slab_common.c b/mm/slab_common.c index 6d73f0b..2f0e7d5 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -382,7 +382,7 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags) index = fls(size - 1); #ifdef CONFIG_ZONE_DMA - if (unlikely((flags & SLAB_CACHE_DMA))) + if (unlikely((flags & GFP_DMA))) return kmalloc_dma_caches[index]; #endif -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>