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| author | Ivan Kokshaysky <ink@jurassic.park.msu.ru> | 2008-04-02 13:04:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-02 15:28:19 -0700 |
| commit | c143d43aa3149b83e4b40624a27aa2b18638afec (patch) | |
| tree | e179afebfec65a61e2d71d87a35b27950256daaf /arch/alpha/kernel | |
| parent | 39d4c922b596633da86878b1a5cc881785b8e5fa (diff) | |
| download | op-kernel-dev-c143d43aa3149b83e4b40624a27aa2b18638afec.zip op-kernel-dev-c143d43aa3149b83e4b40624a27aa2b18638afec.tar.gz | |
alpha: fix ALSA DMA mmap crash
Make dma_alloc_coherent respect gfp flags (__GFP_COMP is one that
matters).
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Tested-by: Michael Cree <mcree@orcon.net.nz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/kernel')
| -rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 4e1c086..dd6e334 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -424,11 +424,13 @@ EXPORT_SYMBOL(pci_unmap_page); else DMA_ADDRP is undefined. */ void * -pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp) +__pci_alloc_consistent(struct pci_dev *pdev, size_t size, + dma_addr_t *dma_addrp, gfp_t gfp) { void *cpu_addr; long order = get_order(size); - gfp_t gfp = GFP_ATOMIC; + + gfp &= ~GFP_DMA; try_again: cpu_addr = (void *)__get_free_pages(gfp, order); @@ -458,7 +460,7 @@ try_again: return cpu_addr; } -EXPORT_SYMBOL(pci_alloc_consistent); +EXPORT_SYMBOL(__pci_alloc_consistent); /* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must be values that were returned from pci_alloc_consistent. SIZE must |
