diff options
| author | Lorenzo Stoakes <lstoakes@gmail.com> | 2016-10-13 01:20:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-17 21:55:16 +0100 |
| commit | ffe6376c1803b5e964f609e8bc01507642397641 (patch) | |
| tree | 1c3534cd6ac2c075f410f680a06ea725cc2145aa /mm/nommu.c | |
| parent | 2b29980eb75bc7dcb23ed0436fe805ac6e684542 (diff) | |
mm: replace get_user_pages_locked() write/force parameters with gup_flags
commit 3b913179c3fa89dd0e304193fa0c746fc0481447 upstream.
This removes the 'write' and 'force' use from get_user_pages_locked()
and replaces them with 'gup_flags' to make the use of FOLL_FORCE
explicit in callers as use of this flag can result in surprising
behaviour (and hence bugs) within the mm subsystem.
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 4.4: adjust context]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index e249e06579fb..6cbb985238c4 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -201,9 +201,12 @@ EXPORT_SYMBOL(get_user_pages); long get_user_pages_locked(struct task_struct *tsk, struct mm_struct *mm, unsigned long start, unsigned long nr_pages, - int write, int force, struct page **pages, + unsigned int gup_flags, struct page **pages, int *locked) { + int write = gup_flags & FOLL_WRITE; + int force = gup_flags & FOLL_FORCE; + return get_user_pages(tsk, mm, start, nr_pages, write, force, pages, NULL); } |