From: Alex Shi <alex.shi@linux.alibaba.com> To: cgroups@vger.kernel.org, akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, hannes@cmpxchg.org, lkp@intel.com Cc: Alex Shi <alex.shi@linux.alibaba.com>, Michal Hocko <mhocko@kernel.org>, Vladimir Davydov <vdavydov.dev@gmail.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 11/20] mm/memcg: move SetPageLRU out of lru_lock in commit_charge Date: Mon, 2 Mar 2020 19:00:21 +0800 [thread overview] Message-ID: <1583146830-169516-12-git-send-email-alex.shi@linux.alibaba.com> (raw) In-Reply-To: <1583146830-169516-1-git-send-email-alex.shi@linux.alibaba.com> Since lru lock doesn't defense PageLRU anymore, move the setting out of lock may save a bit lock contention time. Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: cgroups@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f8419f3436a8..7d7b861a948c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2614,9 +2614,9 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg, lruvec = mem_cgroup_page_lruvec(page, pgdat); VM_BUG_ON_PAGE(PageLRU(page), page); - SetPageLRU(page); add_page_to_lru_list(page, lruvec, page_lru(page)); spin_unlock_irq(&pgdat->lru_lock); + SetPageLRU(page); } } -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Alex Shi <alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> To: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mgorman-3eNAlZScCAx27rWaFMvyedHuzzzSOjJt@public.gmane.org, tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org, daniel.m.jordan-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, yang.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org, willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Cc: Alex Shi <alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org>, Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Vladimir Davydov <vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH v9 11/20] mm/memcg: move SetPageLRU out of lru_lock in commit_charge Date: Mon, 2 Mar 2020 19:00:21 +0800 [thread overview] Message-ID: <1583146830-169516-12-git-send-email-alex.shi@linux.alibaba.com> (raw) In-Reply-To: <1583146830-169516-1-git-send-email-alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> Since lru lock doesn't defense PageLRU anymore, move the setting out of lock may save a bit lock contention time. Signed-off-by: Alex Shi <alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> Cc: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org> Cc: Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Cc: Vladimir Davydov <vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f8419f3436a8..7d7b861a948c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2614,9 +2614,9 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg, lruvec = mem_cgroup_page_lruvec(page, pgdat); VM_BUG_ON_PAGE(PageLRU(page), page); - SetPageLRU(page); add_page_to_lru_list(page, lruvec, page_lru(page)); spin_unlock_irq(&pgdat->lru_lock); + SetPageLRU(page); } } -- 1.8.3.1
next prev parent reply other threads:[~2020-03-02 11:02 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-02 11:00 [PATCH v9 00/21] per lruvec lru_lock for memcg Alex Shi 2020-03-02 11:00 ` [PATCH v9 01/20] mm/vmscan: remove unnecessary lruvec adding Alex Shi 2020-03-02 11:00 ` [PATCH v9 02/20] mm/memcg: fold lock_page_lru into commit_charge Alex Shi 2020-03-02 11:00 ` [PATCH v9 03/20] mm/page_idle: no unlikely double check for idle page counting Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 04/20] mm/thp: move lru_add_page_tail func to huge_memory.c Alex Shi 2020-03-04 7:47 ` Kirill A. Shutemov 2020-03-04 8:13 ` Alex Shi 2020-03-04 8:13 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 05/20] mm/thp: clean up lru_add_page_tail Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 06/20] mm/thp: narrow lru locking Alex Shi 2020-03-04 8:02 ` Kirill A. Shutemov 2020-03-04 8:02 ` Kirill A. Shutemov 2020-03-04 8:51 ` Alex Shi 2020-03-04 8:51 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 07/20] mm/lru: introduce TestClearPageLRU Alex Shi 2020-03-02 22:11 ` Andrew Morton 2020-03-03 4:11 ` Alex Shi 2020-03-03 4:11 ` Alex Shi 2020-03-04 0:46 ` Andrew Morton 2020-03-04 0:46 ` Andrew Morton 2020-03-04 7:06 ` Alex Shi 2020-03-04 7:06 ` Alex Shi 2020-03-04 9:03 ` Rong Chen 2020-03-04 9:03 ` Rong Chen 2020-03-04 9:37 ` Alex Shi 2020-03-04 9:37 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 08/20] mm/lru: add page isolation precondition in __isolate_lru_page Alex Shi 2020-03-02 11:00 ` [PATCH v9 09/20] mm/mlock: ClearPageLRU before get lru lock in munlock page isolation Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 10/20] mm/lru: take PageLRU first in moving page between lru lists Alex Shi 2020-03-02 11:00 ` Alex Shi [this message] 2020-03-02 11:00 ` [PATCH v9 11/20] mm/memcg: move SetPageLRU out of lru_lock in commit_charge Alex Shi 2020-03-02 11:00 ` [PATCH v9 12/20] mm/mlock: clean up __munlock_isolate_lru_page Alex Shi 2020-03-02 11:00 ` [PATCH v9 13/20] mm/lru: replace pgdat lru_lock with lruvec lock Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 14/20] mm/lru: introduce the relock_page_lruvec function Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 15/20] mm/mlock: optimize munlock_pagevec by relocking Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 16/20] mm/swap: only change the lru_lock iff page's lruvec is different Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 17/20] mm/pgdat: remove pgdat lru_lock Alex Shi 2020-03-02 11:00 ` [PATCH v9 18/20] mm/lru: revise the comments of lru_lock Alex Shi 2020-03-02 11:00 ` Alex Shi 2020-03-02 11:00 ` [PATCH v9 19/20] mm/lru: add debug checking for page memcg moving Alex Shi 2020-03-02 11:00 ` [PATCH v9 20/20] mm/memcg: add debug checking in lock_page_memcg Alex Shi [not found] ` <1583146830-169516-1-git-send-email-alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> 2020-03-02 22:12 ` [PATCH v9 00/21] per lruvec lru_lock for memcg Andrew Morton [not found] ` <20200302141202.91d88e8b730b194a8bd8fa7d-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> 2020-03-03 9:32 ` Alex Shi [not found] ` <59634b5f-b1b2-3b1d-d845-fd15565fcad4-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> 2020-03-06 2:15 ` Hugh Dickins 2020-03-04 3:13 ` [PATCH v9 02/20] mm/memcg: fold lock_page_lru into commit_charge Hillf Danton 2020-03-04 7:19 ` Alex Shi 2020-03-04 7:19 ` Alex Shi
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1583146830-169516-12-git-send-email-alex.shi@linux.alibaba.com \ --to=alex.shi@linux.alibaba.com \ --cc=akpm@linux-foundation.org \ --cc=cgroups@vger.kernel.org \ --cc=daniel.m.jordan@oracle.com \ --cc=hannes@cmpxchg.org \ --cc=hughd@google.com \ --cc=khlebnikov@yandex-team.ru \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=lkp@intel.com \ --cc=mgorman@techsingularity.net \ --cc=mhocko@kernel.org \ --cc=tj@kernel.org \ --cc=vdavydov.dev@gmail.com \ --cc=willy@infradead.org \ --cc=yang.shi@linux.alibaba.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.