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Red Hat Bugzilla – Attachment 156880 Details for
Bug 243657
[PATCH] Fix memory leak of dma_alloc_coherent() on x86_64
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[patch]
RHEL4.6 Fix for this issue
243657.patch (text/plain), 655 bytes, created by
Prarit Bhargava
on 2007-06-13 14:26:22 UTC
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Description:
RHEL4.6 Fix for this issue
Filename:
MIME Type:
Creator:
Prarit Bhargava
Created:
2007-06-13 14:26:22 UTC
Size:
655 bytes
patch
obsolete
>Fix a memory leak in dma_alloc_consistent. > >Upstream code has moved beyond this codebase so there is no upstream >corresponding patch. > >Info in the bugzilla points out a memory leak and test cases. > >Successfully tested by me. > >Resolves BZ 243657. > >--- linux-2.6.9/arch/x86_64/kernel/pci-gart.c.orig 2007-06-13 09:52:51.000000000 -0400 >+++ linux-2.6.9/arch/x86_64/kernel/pci-gart.c 2007-06-13 09:59:37.000000000 -0400 >@@ -237,6 +237,8 @@ dma_alloc_coherent(struct device *dev, s > if (high) { > if (!(gfp & GFP_DMA)) { > gfp |= GFP_DMA; >+ free_pages((unsigned long)memory, >+ get_order(size)); > goto again; > } > goto free;
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