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authorAdam Lackorzynski <adam@os.inf.tu-dresden.de>2009-01-04 15:00:46 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-04 16:33:20 -0500
commit2e4e27c7d082b2198b63041310609d7191185a9d (patch)
tree4b994ab4569e4510ff4dd4d357807121ab802782 /mm
parent7b574b7b0124ed344911f5d581e9bc2d83bbeb19 (diff)
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')
-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,
151 * 151 *
152 * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N] 152 * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
153 */ 153 */
154static int vmap_page_range(unsigned long addr, unsigned long end, 154static int vmap_page_range(unsigned long start, unsigned long end,
155 pgprot_t prot, struct page **pages) 155 pgprot_t prot, struct page **pages)
156{ 156{
157 pgd_t *pgd; 157 pgd_t *pgd;
158 unsigned long next; 158 unsigned long next;
159 unsigned long addr = start;
159 int err = 0; 160 int err = 0;
160 int nr = 0; 161 int nr = 0;
161 162
@@ -167,7 +168,7 @@ static int vmap_page_range(unsigned long addr, unsigned long end,
167 if (err) 168 if (err)
168 break; 169 break;
169 } while (pgd++, addr = next, addr != end); 170 } while (pgd++, addr = next, addr != end);
170 flush_cache_vmap(addr, end); 171 flush_cache_vmap(start, end);
171 172
172 if (unlikely(err)) 173 if (unlikely(err))
173 return err; 174 return err;