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authorJohannes Weiner <hannes@cmpxchg.org>2020-06-04 02:02:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-04 06:09:48 +0300
commitd9eb1ea2bf8734afd8ec7d995270437a7242f82b (patch)
tree69658ef3d46c9e2c411a5a4771133de89f39dee1 /mm/userfaultfd.c
parent0a27cae1389f6342e7b09179d2b2da9011d60c96 (diff)
downloadlinux-d9eb1ea2bf8734afd8ec7d995270437a7242f82b.tar.xz
mm: memcontrol: delete unused lrucare handling
Swapin faults were the last event to charge pages after they had already been put on the LRU list. Now that we charge directly on swapin, the lrucare portion of the charge code is unused. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Hugh Dickins <hughd@google.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Michal Hocko <mhocko@suse.com> Cc: Roman Gushchin <guro@fb.com> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Shakeel Butt <shakeelb@google.com> Link: http://lkml.kernel.org/r/20200508183105.225460-19-hannes@cmpxchg.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/userfaultfd.c')
-rw-r--r--mm/userfaultfd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 2745489415cc..7f5194046b01 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -96,7 +96,7 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
__SetPageUptodate(page);
ret = -ENOMEM;
- if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL, false))
+ if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL))
goto out_release;
_dst_pte = pte_mkdirty(mk_pte(page, dst_vma->vm_page_prot));