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authorJ. Bruce Fields <bfields@redhat.com>2010-12-17 13:29:07 -0500
committerJ. Bruce Fields <bfields@redhat.com>2010-12-17 13:29:07 -0500
commitec66ee3797e5848356cf593c6ec7aabf30a00cf1 (patch)
tree7ed5c84cc914644ffa1cd1b6a2b45db53fc224e8 /fs/proc/task_mmu.c
parent1205065764f2eda3216ebe213143f69891ee3460 (diff)
parentb0c3844d8af6b9f3f18f31e1b0502fbefa2166be (diff)
downloadop-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.zip
op-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.tar.gz
Merge commit 'v2.6.37-rc6' into for-2.6.38
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index da6b01d..c126c83 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -706,6 +706,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
* skip over unmapped regions.
*/
#define PAGEMAP_WALK_SIZE (PMD_SIZE)
+#define PAGEMAP_WALK_MASK (PMD_MASK)
static ssize_t pagemap_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
@@ -776,7 +777,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
unsigned long end;
pm.pos = 0;
- end = start_vaddr + PAGEMAP_WALK_SIZE;
+ end = (start_vaddr + PAGEMAP_WALK_SIZE) & PAGEMAP_WALK_MASK;
/* overflow ? */
if (end < start_vaddr || end > end_vaddr)
end = end_vaddr;
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