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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-22 17:40:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-22 17:40:55 -0700 |
| commit | e2172d8fd500a51a3845bc2294cdf4feaa388dab (patch) | |
| tree | f9eb9b8b0d704e3c86d1f953cdbbcf57522f9352 /arch/x86/kernel/pci-swiotlb.c | |
| parent | e75c73ad64478c12b3a44b86a3e7f62a4f65b93e (diff) | |
| parent | 94fb9334182284e8e7e4bcb9125c25dc33af19d4 (diff) | |
Merge branch 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 kdump updates from Ingo Molnar:
"Three kdump robustness related improvements (Joerg Roedel)"
* 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/crash: Allocate enough low memory when crashkernel=high
x86/swiotlb: Try coherent allocations with __GFP_NOWARN
swiotlb: Warn on allocation failure in swiotlb_alloc_coherent()
Diffstat (limited to 'arch/x86/kernel/pci-swiotlb.c')
| -rw-r--r-- | arch/x86/kernel/pci-swiotlb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index 77dd0ad58be4..adf0392d549a 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -20,6 +20,13 @@ void *x86_swiotlb_alloc_coherent(struct device *hwdev, size_t size, { void *vaddr; + /* + * Don't print a warning when the first allocation attempt fails. + * swiotlb_alloc_coherent() will print a warning when the DMA + * memory allocation ultimately failed. + */ + flags |= __GFP_NOWARN; + vaddr = dma_generic_alloc_coherent(hwdev, size, dma_handle, flags, attrs); if (vaddr) |