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| author |   Lorenzo Stoakes <lstoakes@gmail.com> | 2016-10-13 01:20:14 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-19 08:11:05 -0700 |
| commit | 3b913179c3fa89dd0e304193fa0c746fc0481447 (patch) | |
| tree | 9d19f80b42aa94ccdd93d926332aee9881ac439b /mm/nommu.c | |
| parent | mm: replace get_user_pages_unlocked() write/force parameters with gup_flags (diff) | |
| download | linux-dev-3b913179c3fa89dd0e304193fa0c746fc0481447.tar.xz linux-dev-3b913179c3fa89dd0e304193fa0c746fc0481447.zip | |
mm: replace get_user_pages_locked() write/force parameters with gup_flags
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>
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 7e27add39f7e..842cfdd1a31e 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -176,9 +176,12 @@ long get_user_pages(unsigned long start, unsigned long nr_pages, EXPORT_SYMBOL(get_user_pages); long get_user_pages_locked(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(start, nr_pages, write, force, pages, NULL); } EXPORT_SYMBOL(get_user_pages_locked); |