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| author | Chris Zankel <chris@zankel.net> | 2015-04-14 03:51:35 +0000 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2015-04-14 03:51:35 +0000 |
| commit | 7ead5b7e4a3cf4a16579a8f164022345b93fe972 (patch) | |
| tree | 0a9b9497f53d1593c9e2ac197b2e686ea74a9975 /arch/s390/mm/gup.c | |
| parent | 834a316eeebcb75316c0a7d9088fa638c52dc584 (diff) | |
| parent | 39a8804455fb23f09157341d3ba7db6d7ae6ee76 (diff) | |
Merge tag 'v4.0' into for_next
Linux 4.0
Diffstat (limited to 'arch/s390/mm/gup.c')
| -rw-r--r-- | arch/s390/mm/gup.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c index 639fce464008..5c586c78ca8d 100644 --- a/arch/s390/mm/gup.c +++ b/arch/s390/mm/gup.c @@ -235,10 +235,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, /* Try to get the remaining pages with get_user_pages */ 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) ret = (ret < 0) ? nr : ret + nr; |