* [PATCH] Small fix to pci_alloc_consistent()
@ 2002-03-18 17:46 Badari Pulavarty
0 siblings, 0 replies; only message in thread
From: Badari Pulavarty @ 2002-03-18 17:46 UTC (permalink / raw)
To: linux-kernel, marcelo, axboe; +Cc: pbadari, Janet Morgan
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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2002-03-18 17:46 [PATCH] Small fix to pci_alloc_consistent() Badari Pulavarty
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