From: Huaisheng Ye <ye...@lenovo.com>
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32 should not be operated with
each others by OR.
Signed-off-by: Huaisheng Ye <ye...@lenovo.com>
Cc: Christoph Hellwig <h...@lst.de>
Cc: Marek Szyprowski <m.szyprow...@samsung.com>
Cc: Robin Murphy <robin.mur...@arm.com>
---
include/linux/dma-mapping.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index eb9eab4..3da0293 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -523,7 +523,7 @@ static inline void *dma_alloc_attrs(struct device *dev,
size_t size,
* decide on the way of zeroing the memory given that the memory
* returned should always be zeroed.
*/
- flag &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM | __GFP_ZERO);
+ flag &= ~(__GFP_ZONE_MASK | __GFP_ZERO);
if (!arch_dma_alloc_attrs(&dev, &flag))
return NULL;
--
1.8.3.1
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