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-rw-r--r--mm/util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/util.c b/mm/util.c
index 8a1b3a1fb595..917e0e3d0f8e 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -297,7 +297,8 @@ unsigned long vm_mmap_pgoff(struct file *file, unsigned long addr,
ret = security_mmap_file(file, prot, flag);
if (!ret) {
- down_write(&mm->mmap_sem);
+ if (down_write_killable(&mm->mmap_sem))
+ return -EINTR;
ret = do_mmap_pgoff(file, addr, len, prot, flag, pgoff,
&populate);
up_write(&mm->mmap_sem);