[PATCH] Small fix to pci_alloc_consistent()

Badari Pulavarty (pbadari@us.ibm.com)
Mon, 18 Mar 2002 09:46:17 -0800 (PST)


Hi,

pci_alloc_consistent() is returning zone DMA memory to highmem
enabled drivers when it really should have been returning zone NORMAL.

Found this while testing qlogicfc driver for > 4GB support.

Thanks,
Badari

diff -Naur -X dontdiff linux/arch/i386/kernel/pci-dma.c linux.2417all/arch/i386/kernel/pci-dma.c
--- linux/arch/i386/kernel/pci-dma.c Thu Mar 14 16:01:42 2002
+++ linux.2417all/arch/i386/kernel/pci-dma.c Thu Mar 14 15:41:40 2002
@@ -19,7 +19,7 @@
void *ret;
int gfp = GFP_ATOMIC;

- if (hwdev == NULL || hwdev->dma_mask != 0xffffffff)
+ if (hwdev == NULL || ((u32)hwdev->dma_mask != 0xffffffff))
gfp |= GFP_DMA;
ret = (void *)__get_free_pages(gfp, get_order(size));

-
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