diff options
| author | Yang Shi <shy828301@gmail.com> | 2020-12-15 04:13:13 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 21:13:45 +0100 |
| commit | 236c32eb109696590b7428957eda50cc05e22af8 (patch) | |
| tree | a5585ded73d7e9a1d5ce66732f5911a47302f727 /mm/mempolicy.c | |
| parent | mm: migrate: skip shared exec THP for NUMA balancing (diff) | |
| download | linux-236c32eb109696590b7428957eda50cc05e22af8.tar.xz linux-236c32eb109696590b7428957eda50cc05e22af8.zip | |
mm: migrate: clean up migrate_prep{_local}
The migrate_prep{_local} never fails, so it is pointless to have return
value and check the return value.
Link: https://lkml.kernel.org/r/20201113205359.556831-5-shy828301@gmail.com
Signed-off-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Song Liu <songliubraving@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 3ca4898f3f24..8cf96bd21341 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1114,9 +1114,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from, int err; nodemask_t tmp; - err = migrate_prep(); - if (err) - return err; + migrate_prep(); mmap_read_lock(mm); @@ -1315,9 +1313,7 @@ static long do_mbind(unsigned long start, unsigned long len, if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) { - err = migrate_prep(); - if (err) - goto mpol_out; + migrate_prep(); } { NODEMASK_SCRATCH(scratch); |