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-rw-r--r--mm/shmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index a36144909b28..24463b67b6ef 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2227,7 +2227,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
/* Remove the !PageUptodate pages we added */
shmem_undo_range(inode,
(loff_t)start << PAGE_SHIFT,
- (loff_t)index << PAGE_SHIFT, true);
+ ((loff_t)index << PAGE_SHIFT) - 1, true);
goto undone;
}