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From: Michal Hocko <mhocko@suse.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: "Leonardo Brás" <leobras@redhat.com>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	"Roman Gushchin" <roman.gushchin@linux.dev>,
	"Shakeel Butt" <shakeelb@google.com>,
	"Muchun Song" <muchun.song@linux.dev>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	cgroups@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/5] Introduce memcg_stock_pcp remote draining
Date: Thu, 26 Jan 2023 08:45:36 +0100	[thread overview]
Message-ID: <Y9IvoDJbLbFcitTc@dhcp22.suse.cz> (raw)
In-Reply-To: <Y9FzSBw10MGXm2TK@tpad>

On Wed 25-01-23 15:22:00, Marcelo Tosatti wrote:
[...]
> Remote draining reduces interruptions whether CPU 
> is marked as isolated or not:
> 
> - Allows isolated CPUs from benefiting of pcp caching.
> - Removes the interruption to non isolated CPUs. See for example 
> 
> https://lkml.org/lkml/2022/6/13/2769

This is talking about page allocato per cpu caches, right? In this patch
we are talking about memcg pcp caches. Are you sure the same applies
here?
-- 
Michal Hocko
SUSE Labs


  parent reply	other threads:[~2023-01-26  7:45 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-25  7:34 Leonardo Bras
2023-01-25  7:34 ` [PATCH v2 1/5] mm/memcontrol: Align percpu memcg_stock to cache Leonardo Bras
2023-01-25  7:34 ` [PATCH v2 2/5] mm/memcontrol: Change stock_lock type from local_lock_t to spinlock_t Leonardo Bras
2023-01-25  7:35 ` [PATCH v2 3/5] mm/memcontrol: Reorder memcg_stock_pcp members to avoid holes Leonardo Bras
2023-01-25  7:35 ` [PATCH v2 4/5] mm/memcontrol: Perform all stock drain in current CPU Leonardo Bras
2023-01-25  7:35 ` [PATCH v2 5/5] mm/memcontrol: Remove flags from memcg_stock_pcp Leonardo Bras
2023-01-25  8:33 ` [PATCH v2 0/5] Introduce memcg_stock_pcp remote draining Michal Hocko
2023-01-25 11:06   ` Leonardo Brás
2023-01-25 11:39     ` Michal Hocko
2023-01-25 18:22     ` Marcelo Tosatti
2023-01-25 23:14       ` Roman Gushchin
2023-01-26  7:41         ` Michal Hocko
2023-01-26 18:03           ` Marcelo Tosatti
2023-01-26 19:20             ` Michal Hocko
2023-01-27  0:32               ` Marcelo Tosatti
2023-01-27  6:58                 ` Michal Hocko
2023-02-01 18:31               ` Roman Gushchin
2023-01-26 23:12           ` Roman Gushchin
2023-01-27  7:11             ` Michal Hocko
2023-01-27  7:22               ` Leonardo Brás
2023-01-27  8:12                 ` Leonardo Brás
2023-01-27  9:23                   ` Michal Hocko
2023-01-27 13:03                   ` Frederic Weisbecker
2023-01-27 13:58               ` Michal Hocko
2023-01-27 18:18                 ` Roman Gushchin
2023-02-03 15:21                   ` Michal Hocko
2023-02-03 19:25                     ` Roman Gushchin
2023-02-13 13:36                       ` Michal Hocko
2023-01-27  7:14             ` Leonardo Brás
2023-01-27  7:20               ` Michal Hocko
2023-01-27  7:35                 ` Leonardo Brás
2023-01-27  9:29                   ` Michal Hocko
2023-01-27 19:29                     ` Leonardo Brás
2023-01-27 23:50                       ` Roman Gushchin
2023-01-26 18:19         ` Marcelo Tosatti
2023-01-27  5:40           ` Leonardo Brás
2023-01-26  2:01       ` Hillf Danton
2023-01-26  7:45       ` Michal Hocko [this message]
2023-01-26 18:14         ` Marcelo Tosatti
2023-01-26 19:13           ` Michal Hocko
2023-01-27  6:55             ` Leonardo Brás
2023-01-31 11:35               ` Marcelo Tosatti
2023-02-01  4:36                 ` Leonardo Brás
2023-02-01 12:52                   ` Michal Hocko
2023-02-01 12:41                 ` Michal Hocko
2023-02-04  4:55                   ` Leonardo Brás
2023-02-05 19:49                     ` Roman Gushchin
2023-02-07  3:18                       ` Leonardo Brás

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