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authorGlauber Costa2008-04-09 18:18:06 +0200
committerIngo Molnar2008-04-19 19:19:58 +0200
commit8f19ca1341a6d89bd96e2e69e6e10f46d3258089 (patch)
tree89ba0c6d2d87798bdfa2753e57f71507f4370caa /arch/x86/kernel/pci-dma_32.c
parentx86: retry allocation if failed (diff)
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x86: unify gfp masks
Use the same gfp masks for x86_64 and i386. It involves using HIGHMEM or DMA32 where necessary, for the sake of code compatibility, (no real effect), and using the NORETRY mask for i386. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/pci-dma_32.c')
-rw-r--r--arch/x86/kernel/pci-dma_32.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 11f100a5f034..5450bd142cb0 100644
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -79,7 +79,7 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
unsigned long dma_mask = 0;
/* ignore region specifiers */
- gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
+ gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &ret))
return ret;
@@ -91,7 +91,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
if (dma_mask == 0)
dma_mask = DMA_32BIT_MASK;
- again:
+ /* Don't invoke OOM killer */
+ gfp |= __GFP_NORETRY;
+again:
page = dma_alloc_pages(dev, gfp, order);
if (page == NULL)
return NULL;