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Date: Fri, 16 Jan 2015 18:57:45 +0100
From: Michal Hocko <mhocko@suse.cz>
To: Vinayak Menon <vinmenon@codeaurora.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        akpm@linux-foundation.org, hannes@cmpxchg.org, vdavydov@parallels.com,
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Subject: Re: [PATCH v2] mm: vmscan: fix the page state calculation in
 too_many_isolated
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On Fri 16-01-15 16:49:22, Michal Hocko wrote:
[...]
> Why cannot we simply update the global counters from vmstat_shepherd
> directly?

OK, I should have checked the updating paths... This would be racy, so
update from remote is not an option without additional trickery (like
retries etc.) :/
-- 
Michal Hocko
SUSE Labs

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Date: Fri, 16 Jan 2015 18:57:45 +0100
From: Michal Hocko <mhocko@suse.cz>
Subject: Re: [PATCH v2] mm: vmscan: fix the page state calculation in
 too_many_isolated
Message-ID: <20150116175745.GA22136@dhcp22.suse.cz>
References: <1421235419-30736-1-git-send-email-vinmenon@codeaurora.org>
 <20150114165036.GI4706@dhcp22.suse.cz>
 <54B7F7C4.2070105@codeaurora.org>
 <20150116154922.GB4650@dhcp22.suse.cz>
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To: Vinayak Menon <vinmenon@codeaurora.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org, vdavydov@parallels.com, mgorman@suse.de, minchan@kernel.org, Christoph Lameter <cl@gentwo.org>

On Fri 16-01-15 16:49:22, Michal Hocko wrote:
[...]
> Why cannot we simply update the global counters from vmstat_shepherd
> directly?

OK, I should have checked the updating paths... This would be racy, so
update from remote is not an option without additional trickery (like
retries etc.) :/
-- 
Michal Hocko
SUSE Labs

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