1 files changed, 2 insertions, 1 deletions
diff --git a/mm/util.c b/mm/util.c
index 8a1b3a1..917e0e3 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);