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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 3c336b02cf08..165fa6332993 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2747,7 +2747,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
}
shmem_falloc.waitq = &shmem_falloc_waitq;
- shmem_falloc.start = unmap_start >> PAGE_SHIFT;
+ shmem_falloc.start = (u64)unmap_start >> PAGE_SHIFT;
shmem_falloc.next = (unmap_end + 1) >> PAGE_SHIFT;
spin_lock(&inode->i_lock);
inode->i_private = &shmem_falloc;