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-rw-r--r--mm/gup.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/gup.c b/mm/gup.c
index dad5875fb766..c2da1163986a 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1243,10 +1243,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
start += nr << PAGE_SHIFT;
pages += nr;
- down_read(&mm->mmap_sem);
- ret = get_user_pages(current, mm, start,
- nr_pages - nr, write, 0, pages, NULL);
- up_read(&mm->mmap_sem);
+ ret = get_user_pages_unlocked(current, mm, start,
+ nr_pages - nr, write, 0, pages);
/* Have to be a bit careful with return values */
if (nr > 0) {