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dma-mapping: clear harmful GFP_* flags in common code

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Lift the code from x86 so that we behave consistently.  In the future we
should probably warn if any of these is set.

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Jesper Nilsson <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]> [m68k]
This commit is contained in:
Christoph Hellwig 2017-12-22 16:05:15 +01:00
commit 57bf5a8963
12 changed files with 7 additions and 31 deletions
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3
arch/nios2/mm/dma-mapping.c
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@ -63,9 +63,6 @@ static void *nios2_dma_alloc(struct device *dev, size_t size,
{
void *ret;
/* ignore region specifiers */
gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
/* optimized page clearing */
gfp |= __GFP_ZERO;