AcoSail/kernel_optimize_test
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x86: move pci-nommu's dma_mask check to common code

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The check to see if dev->dma_mask is NULL in pci-nommu is more
appropriate for dma_alloc_coherent().

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori 2008-09-08 18:10:11 +09:00 committed by Ingo Molnar
parent 3a80b6aa27
commit de9f521fb7
2 changed files with 3 additions and 3 deletions
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3
arch/x86/kernel/pci-nommu.c
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@ -80,9 +80,6 @@ nommu_alloc_coherent(struct device *hwdev, size_t size,
int node;
struct page *page;
if (hwdev->dma_mask == NULL)
return NULL;
gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
gfp |= __GFP_ZERO;

3
include/asm-x86/dma-mapping.h
View File

@ -254,6 +254,9 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp |= GFP_DMA;
}
if (!dev->dma_mask)
return NULL;
if (ops->alloc_coherent)
return ops->alloc_coherent(dev, size,
dma_handle, gfp);