linux-kernel - Re: [PATCH v3 2/3] selftests: cgroup: refactor proactive reclaim code to reclaim

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Date:   Fri, 2 Dec 2022 14:20:58 -0800
From:   Roman Gushchin <roman.gushchin@...ux.dev>
To:     Yosry Ahmed <yosryahmed@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>, Yu Zhao <yuzhao@...gle.com>,
        Muchun Song <songmuchun@...edance.com>,
        Tejun Heo <tj@...nel.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Vasily Averin <vasily.averin@...ux.dev>,
        Vlastimil Babka <vbabka@...e.cz>,
        Chris Down <chris@...isdown.name>,
        David Rientjes <rientjes@...gle.com>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v3 2/3] selftests: cgroup: refactor proactive reclaim
 code to reclaim_until()

On Fri, Dec 02, 2022 at 03:15:11AM +0000, Yosry Ahmed wrote:
> Refactor the code that drives writing to memory.reclaim (retrying, error
> handling, etc) from test_memcg_reclaim() to a helper called
> reclaim_until(), which proactively reclaims from a memcg until its
> usage reaches a certain value.
> 
> While we are at it, refactor and simplify the reclaim loop.
> 
> This will be used in a following patch in another test.
> 
> Signed-off-by: Yosry Ahmed <yosryahmed@...gle.com>
> Suggested-by: Roman Gushchin <roman.gushchin@...ux.dev>

Reviewed-by: Roman Gushchin <roman.gushchin@...ux.dev>

Thanks!