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-rw-r--r--mm/madvise.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index d8cfc3a0c153..26f7954865ed 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -288,9 +288,9 @@ static long madvise_willneed(struct vm_area_struct *vma,
*/
*prev = NULL; /* tell sys_madvise we drop mmap_sem */
get_file(file);
- up_read(&current->mm->mmap_sem);
offset = (loff_t)(start - vma->vm_start)
+ ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
+ up_read(&current->mm->mmap_sem);
vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED);
fput(file);
down_read(&current->mm->mmap_sem);