diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-04-09 20:18:06 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 21:19:58 +0400 |
| commit | 8f19ca1341a6d89bd96e2e69e6e10f46d3258089 (patch) | |
| tree | 89ba0c6d2d87798bdfa2753e57f71507f4370caa /arch/x86 | |
| parent | 5fa78ca75d8e67063948a01b51594a0904af5710 (diff) | |
| download | linux-8f19ca1341a6d89bd96e2e69e6e10f46d3258089.tar.xz | |
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')
| -rw-r--r-- | arch/x86/kernel/pci-dma_32.c | 6 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-dma_64.c | 2 |
2 files changed, 6 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; diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c index 13a31a4a4c17..b956f5945d67 100644 --- a/arch/x86/kernel/pci-dma_64.c +++ b/arch/x86/kernel/pci-dma_64.c @@ -49,6 +49,8 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, unsigned long dma_mask = 0; u64 bus; + /* ignore region specifiers */ + gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory)) return memory; |