There is a fallback logic, so it's better to not use the OOM killer in the allocations. Signed-off-by: Andi Kleen <ak@xxxxxxx> --- arch/x86_64/kernel/pci-dma.c | 3 +++ 1 files changed, 3 insertions(+) Index: linux/arch/x86_64/kernel/pci-dma.c =================================================================== --- linux.orig/arch/x86_64/kernel/pci-dma.c +++ linux/arch/x86_64/kernel/pci-dma.c @@ -73,6 +73,9 @@ dma_alloc_coherent(struct device *dev, s 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; - : send the line "unsubscribe linux-x86_64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
