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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 /include/linux/mm.h | |
parent | 2b29980eb75bc7dcb23ed0436fe805ac6e684542 (diff) | |
download | linux-stable-ffe6376c1803b5e964f609e8bc01507642397641.tar.gz linux-stable-ffe6376c1803b5e964f609e8bc01507642397641.tar.bz2 linux-stable-ffe6376c1803b5e964f609e8bc01507642397641.zip |
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 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index c043c936a4a5..cbb9bd8b910a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1203,8 +1203,7 @@ long get_user_pages(struct task_struct *tsk, struct mm_struct *mm, struct vm_area_struct **vmas); 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, - int *locked); + unsigned int gup_flags, struct page **pages, int *locked); long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, unsigned long start, unsigned long nr_pages, struct page **pages, unsigned int gup_flags); |