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authorAdam Lackorzynski <adam@os.inf.tu-dresden.de>2009-01-04 12:00:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-04 13:33:20 -0800
commit2e4e27c7d082b2198b63041310609d7191185a9d (patch)
tree4b994ab4569e4510ff4dd4d357807121ab802782 /mm/vmalloc.c
parent7b574b7b0124ed344911f5d581e9bc2d83bbeb19 (diff)
downloadlinux-2e4e27c7d082b2198b63041310609d7191185a9d.tar.gz
vmalloc.c: fix flushing in vmap_page_range()
The flush_cache_vmap in vmap_page_range() is called with the end of the
range twice.  The following patch fixes this for me.

Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1ddb77ba3995..7465f22fec0c 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -151,11 +151,12 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
  *
  * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
  */
-static int vmap_page_range(unsigned long addr, unsigned long end,
+static int vmap_page_range(unsigned long start, unsigned long end,
 				pgprot_t prot, struct page **pages)
 {
 	pgd_t *pgd;
 	unsigned long next;
+	unsigned long addr = start;
 	int err = 0;
 	int nr = 0;
 
@@ -167,7 +168,7 @@ static int vmap_page_range(unsigned long addr, unsigned long end,
 		if (err)
 			break;
 	} while (pgd++, addr = next, addr != end);
-	flush_cache_vmap(addr, end);
+	flush_cache_vmap(start, end);
 
 	if (unlikely(err))
 		return err;