The patch titled
Subject: memcg-clear-pc-mem_cgorup-if-necessary-fix-2
has been added to the -mm tree. Its filename is
memcg-clear-pc-mem_cgorup-if-necessary-fix-2.patch
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------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: memcg-clear-pc-mem_cgorup-if-necessary-fix-2
Fix CONFIG_CGROUP_MEM_RES_CTLR=y CONFIG_CGROUP_MEM_RES_CTLR_SWAP=n build:
move mem_cgroup_reset_owner() up from CONFIG_CGROUP_MEM_RES_CTLR_SWAP block.
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Miklos Szeredi <mszeredi@xxxxxxx>
Cc: Ying Han <yinghan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff -puN mm/memcontrol.c~memcg-clear-pc-mem_cgorup-if-necessary-fix-2 mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-clear-pc-mem_cgorup-if-necessary-fix-2
+++ a/mm/memcontrol.c
@@ -3052,6 +3052,20 @@ void mem_cgroup_uncharge_end(void)
batch->memcg = NULL;
}
+/*
+ * A function for resetting pc->mem_cgroup for newly allocated pages.
+ * This function should be called if the newpage will be added to LRU
+ * before start accounting.
+ */
+void mem_cgroup_reset_owner(struct page *newpage)
+{
+ struct page_cgroup *pc;
+
+ pc = lookup_page_cgroup(newpage);
+ VM_BUG_ON(PageCgroupUsed(pc));
+ pc->mem_cgroup = root_mem_cgroup;
+}
+
#ifdef CONFIG_SWAP
/*
* called after __delete_from_swap_cache() and drop "page" account.
@@ -3106,20 +3120,6 @@ void mem_cgroup_uncharge_swap(swp_entry_
rcu_read_unlock();
}
-/*
- * A function for resetting pc->mem_cgroup for newly allocated pages.
- * This function should be called if the newpage will be added to LRU
- * before start accounting.
- */
-void mem_cgroup_reset_owner(struct page *newpage)
-{
- struct page_cgroup *pc;
-
- pc = lookup_page_cgroup(newpage);
- VM_BUG_ON(PageCgroupUsed(pc));
- pc->mem_cgroup = root_mem_cgroup;
-}
-
/**
* mem_cgroup_move_swap_account - move swap charge and swap_cgroup's record.
* @entry: swap entry to be moved
_
Subject: Subject: memcg-clear-pc-mem_cgorup-if-necessary-fix-2
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
linux-next.patch
memcg-add-mem_cgroup_replace_page_cache-to-fix-lru-issue.patch
memcg-keep-root-group-unchanged-if-creation-fails.patch
mm-add-free_hot_cold_page_list-helper.patch
mm-add-free_hot_cold_page_list-helper-v2.patch
mm-add-free_hot_cold_page_list-helper-v3.patch
mm-remove-unused-pagevec_free.patch
mm-tracepoint-rename-page-free-events.patch
mm-tracepoint-fixup-documentation-and-examples.patch
mremap-enforce-rmap-src-dst-vma-ordering-in-case-of-vma_merge-succeeding-in-copy_vma.patch
mremap-enforce-rmap-src-dst-vma-ordering-in-case-of-vma_merge-succeeding-in-copy_vma-update.patch
mm-simplify-find_vma_prev.patch
mm-add-missing-mutex-lock-arround-notify_change.patch
mm-memcg-consolidate-hierarchy-iteration-primitives.patch
mm-vmscan-distinguish-global-reclaim-from-global-lru-scanning.patch
mm-vmscan-distinguish-between-memcg-triggering-reclaim-and-memcg-being-scanned.patch
mm-memcg-per-priority-per-zone-hierarchy-scan-generations.patch
mm-move-memcg-hierarchy-reclaim-to-generic-reclaim-code.patch
mm-memcg-remove-optimization-of-keeping-the-root_mem_cgroup-lru-lists-empty.patch
mm-vmscan-convert-global-reclaim-to-per-memcg-lru-lists.patch
mm-collect-lru-list-heads-into-struct-lruvec.patch
mm-make-per-memcg-lru-lists-exclusive.patch
mm-memcg-remove-unused-node-section-info-from-pc-flags.patch
mm-memcg-remove-unused-node-section-info-from-pc-flags-fix.patch
mm-oom_kill-remove-memcg-argument-from-oom_kill_task.patch
mm-unify-remaining-mem_cont-mem-etc-variable-names-to-memcg.patch
mm-memcg-clean-up-fault-accounting.patch
mm-memcg-lookup_page_cgroup-almost-never-returns-null.patch
mm-page_cgroup-check-page_cgroup-arrays-in-lookup_page_cgroup-only-when-necessary.patch
mm-memcg-remove-unneeded-checks-from-newpage_charge.patch
mm-memcg-remove-unneeded-checks-from-uncharge_page.patch
memcg-clean-up-soft_limit_tree-if-allocation-fails.patch
memcg-simplify-page-cache-charging.patch
memcg-simplify-corner-case-handling-of-lru.patch
memcg-clear-pc-mem_cgorup-if-necessary.patch
memcg-clear-pc-mem_cgorup-if-necessary-fix.patch
memcg-clear-pc-mem_cgorup-if-necessary-fix-2.patch
memcg-simplify-lru-handling-by-new-rule.patch
procfs-add-hidepid=-and-gid=-mount-options-fix.patch
radix_tree-remove-radix_tree_indirect_to_ptr.patch
prio_tree-debugging-patch.patch
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