diff options
| author |   Andi Kleen <ak@suse.de> | 2006-03-25 16:30:43 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 09:10:55 -0800 |
| commit | 3056d6be19b50cbd3f0290e816d702cc3e54a6f3 (patch) | |
| tree | f23c61a35202b554d2be8ff1ee6c1a5ac9ab8856 | |
| parent | [PATCH] x86_64: Don't invoke OOM killer while allocating floppy DMA buffers (diff) | |
| download | linux-dev-3056d6be19b50cbd3f0290e816d702cc3e54a6f3.tar.xz linux-dev-3056d6be19b50cbd3f0290e816d702cc3e54a6f3.zip | |
[PATCH] x86_64: Don't invoke OOM killer during dma_alloc_coherent()
There is a fallback logic, so it's better to not use the OOM killer
in the allocations.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/pci-dma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c index 4ed391edd47a..03c9eeedb0f3 100644 --- a/arch/x86_64/kernel/pci-dma.c +++ b/arch/x86_64/kernel/pci-dma.c @@ -73,6 +73,9 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, if (dma_mask == 0) dma_mask = 0xffffffff; + /* Don't invoke OOM killer */ + gfp |= __GFP_NORETRY; + /* Kludge to make it bug-to-bug compatible with i386. i386 uses the normal dma_mask for alloc_coherent. */ dma_mask &= *dev->dma_mask; |