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-rw-r--r--mm/mremap.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 3310378bb60f..7dcf7b42068e 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -578,8 +578,10 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked);
}
out:
- if (ret & ~PAGE_MASK)
+ if (ret & ~PAGE_MASK) {
vm_unacct_memory(charged);
+ locked = 0;
+ }
up_write(&current->mm->mmap_sem);
if (locked && new_len > old_len)
mm_populate(new_addr + old_len, new_len - old_len);