summaryrefslogtreecommitdiff
path: root/mm/mempolicy.c
diff options
context:
space:
mode:
authorMinchan Kim <minchan@kernel.org>2021-05-05 04:36:57 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-05 21:27:24 +0300
commit361a2a229fa31ab7f2b236b5946e434964d00762 (patch)
tree74246feb78afbe5ab7c443d3578d12a784759ff4 /mm/mempolicy.c
parentd479960e44f27e0e52ba31b21740b703c538027c (diff)
downloadlinux-361a2a229fa31ab7f2b236b5946e434964d00762.tar.xz
mm: replace migrate_[prep|finish] with lru_cache_[disable|enable]
Currently, migrate_[prep|finish] is merely a wrapper of lru_cache_[disable|enable]. There is not much to gain from having additional abstraction. Use lru_cache_[disable|enable] instead of migrate_[prep|finish], which would be more descriptive. note: migrate_prep_local in compaction.c changed into lru_add_drain to avoid CPU schedule cost with involving many other CPUs to keep old behavior. Link: https://lkml.kernel.org/r/20210319175127.886124-2-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Chris Goldsworthy <cgoldswo@codeaurora.org> Cc: John Dias <joaodias@google.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Oliver Sang <oliver.sang@intel.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> 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.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 3b95e169e97d..c0343c742bed 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1124,7 +1124,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
int err = 0;
nodemask_t tmp;
- migrate_prep();
+ lru_cache_disable();
mmap_read_lock(mm);
@@ -1209,7 +1209,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
}
mmap_read_unlock(mm);
- migrate_finish();
+ lru_cache_enable();
if (err < 0)
return err;
return busy;
@@ -1325,7 +1325,7 @@ static long do_mbind(unsigned long start, unsigned long len,
if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
- migrate_prep();
+ lru_cache_disable();
}
{
NODEMASK_SCRATCH(scratch);
@@ -1374,7 +1374,7 @@ up_out:
mpol_out:
mpol_put(new);
if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
- migrate_finish();
+ lru_cache_enable();
return err;
}