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2.6.28-stable review patch. If anyone has any objections, please let us know.
------------------
From: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
commit 2e4e27c7d082b2198b63041310609d7191185a9d upstream.
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
mm/vmalloc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -151,11 +151,12 @@ static int vmap_pud_range(pgd_t *pgd, un
*
* 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
if (err)
break;
} while (pgd++, addr = next, addr != end);
- flush_cache_vmap(addr, end);
+ flush_cache_vmap(start, end);
if (unlikely(err))
return err;
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