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authorIvan Kokshaysky <ink@jurassic.park.msu.ru>2008-04-02 13:04:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-02 15:28:19 -0700
commitc143d43aa3149b83e4b40624a27aa2b18638afec (patch)
treee179afebfec65a61e2d71d87a35b27950256daaf /arch/alpha/kernel
parent39d4c922b596633da86878b1a5cc881785b8e5fa (diff)
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.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 4e1c08636ed..dd6e334ab9e 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