linux-kernel - Re: [PATCH -next v2] mm, proc: collect percpu free pages into the free pages

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Message-ID: <YwX5dL8P9nxVtR1G@dhcp22.suse.cz>
Date:   Wed, 24 Aug 2022 12:12:04 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Liu Shixin <liushixin2@...wei.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        huang ying <huang.ying.caritas@...il.com>,
        Aaron Lu <aaron.lu@...el.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Kemi Wang <kemi.wang@...el.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -next v2] mm, proc: collect percpu free pages into the
 free pages

On Wed 24-08-22 18:05:58, Liu Shixin wrote:
[...]
> But since these memory is also free memory that can be uesd and is large, I think we
> should still provide a statistic for the user. Perhaps add a new statistic is better?

Well, if somebody is really interested then /proc/zoneinfo gives a very
detailed insight into pcp usage.
-- 
Michal Hocko
SUSE Labs