linux-kernel - Re: [PATCH 08/10] mm/vmscan: Consider anonymous pages without swap

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Date:   Tue, 9 Mar 2021 15:08:22 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Yang Shi <shy828301@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>, kbusch@...nel.org,
        Yang Shi <yang.shi@...ux.alibaba.com>,
        David Rientjes <rientjes@...gle.com>,
        Huang Ying <ying.huang@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>
Subject: Re: [PATCH 08/10] mm/vmscan: Consider anonymous pages without swap

On 3/8/21 4:17 PM, Yang Shi wrote:
>> Reclaim anonymous pages if a migration path is available now that
>> demotion provides a non-swap recourse for reclaiming anon pages.
>>
>> Note that this check is subtly different from the
>> anon_should_be_aged() checks.  This mechanism checks whether a
>> specific page in a specific context *can* actually be reclaimed, given
>> current swap space and cgroup limits
>>
>> anon_should_be_aged() is a much simpler and more prelimiary check
> Just a typo, s/prelimiary/preliminary

Got it.

Thanks for the continued review, and the review tags!  I'll hopefully
get a new version of this out the door next week.