diff options
| author | Lorenzo Stoakes <[email protected]> | 2016-10-13 00:20:16 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-10-19 15:11:43 +0000 |
| commit | 768ae309a96103ed02eb1e111e838c87854d8b51 (patch) | |
| tree | 59f9070c68cc87d37e5edf6439b5074a96f5d3dd /arch/x86/mm/mpx.c | |
| parent | mm: replace get_vaddr_frames() write/force parameters with gup_flags (diff) | |
| download | kernel-768ae309a96103ed02eb1e111e838c87854d8b51.tar.gz kernel-768ae309a96103ed02eb1e111e838c87854d8b51.zip | |
mm: replace get_user_pages() write/force parameters with gup_flags
This removes the 'write' and 'force' from get_user_pages() 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 <[email protected]>
Acked-by: Christian König <[email protected]>
Acked-by: Jesper Nilsson <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'arch/x86/mm/mpx.c')
| -rw-r--r-- | arch/x86/mm/mpx.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 80476878eb4c..e4f800999b32 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -544,10 +544,9 @@ static int mpx_resolve_fault(long __user *addr, int write) { long gup_ret; int nr_pages = 1; - int force = 0; - gup_ret = get_user_pages((unsigned long)addr, nr_pages, write, - force, NULL, NULL); + gup_ret = get_user_pages((unsigned long)addr, nr_pages, + write ? FOLL_WRITE : 0, NULL, NULL); /* * get_user_pages() returns number of pages gotten. * 0 means we failed to fault in and get anything, |