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authorTejun Heo <tj@kernel.org>2009-02-20 15:38:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-20 17:57:49 -0800
commitf6fcba7014f9cc535fa75ef98c008b24e49e2212 (patch)
tree85aae17fc20b8a4b6d5112c740950e0dcdcb9baf /mm
parent3fd076dd955a34c35dc456f4ef676e03cdced044 (diff)
downloadlinux-2.6.38-lt-ux500-f6fcba7014f9cc535fa75ef98c008b24e49e2212.tar.gz
vmalloc: call flush_cache_vunmap() from unmap_kernel_range()
Impact: proper vcache flush on unmap_kernel_range() flush_cache_vunmap() should be called before pages are unmapped. Add a call to it in unmap_kernel_range(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Nick Piggin <npiggin@suse.de> Acked-by: David S. Miller <davem@davemloft.net> Cc: <stable@kernel.org> [2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/vmalloc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 4dd2636d0b9..903cad46e79 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1012,6 +1012,8 @@ void __init vmalloc_init(void)
void unmap_kernel_range(unsigned long addr, unsigned long size)
{
unsigned long end = addr + size;
+
+ flush_cache_vunmap(addr, end);
vunmap_page_range(addr, end);
flush_tlb_kernel_range(addr, end);
}