* [merged] mm-memcg-save-some-atomic-ops-when-flush-is-already-true.patch removed from -mm tree
@ 2021-09-03 20:58 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2021-09-03 20:58 UTC (permalink / raw)
To: alexs, guro, linmiaohe, mhocko, mm-commits, richard.weiyang,
shakeelb, songmuchun, vdavydov.dev, willy
The patch titled
Subject: mm, memcg: save some atomic ops when flush is already true
has been removed from the -mm tree. Its filename was
mm-memcg-save-some-atomic-ops-when-flush-is-already-true.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm, memcg: save some atomic ops when flush is already true
Add 'else' to save some atomic ops in obj_stock_flush_required() when
flush is already true. No functional change intended here.
Link: https://lkml.kernel.org/r/20210807082835.61281-3-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/memcontrol.c~mm-memcg-save-some-atomic-ops-when-flush-is-already-true
+++ a/mm/memcontrol.c
@@ -2246,7 +2246,7 @@ static void drain_all_stock(struct mem_c
if (memcg && stock->nr_pages &&
mem_cgroup_is_descendant(memcg, root_memcg))
flush = true;
- if (obj_stock_flush_required(stock, root_memcg))
+ else if (obj_stock_flush_required(stock, root_memcg))
flush = true;
rcu_read_unlock();
_
Patches currently in -mm which might be from linmiaohe@huawei.com are
mm-page_allocc-avoid-accessing-uninitialized-pcp-page-migratetype.patch
mm-memory_hotplug-use-helper-zone_is_zone_device-to-simplify-the-code.patch
mm-memory_hotplug-make-hwpoisoned-dirty-swapcache-pages-unmovable.patch
mm-zsmallocc-close-race-window-between-zs_pool_dec_isolated-and-zs_unregister_migration.patch
mm-zsmallocc-combine-two-atomic-ops-in-zs_pool_dec_isolated.patch
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2021-09-03 20:58 [merged] mm-memcg-save-some-atomic-ops-when-flush-is-already-true.patch removed from -mm tree akpm
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