linux-kernel - Re: [PATCH mm] introduce reverse buddy concept to reduce buddy fragment

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Message-ID: <20170703153307.GA11848@dhcp22.suse.cz>
Date:   Mon, 3 Jul 2017 17:33:07 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     zhouxianrong <zhouxianrong@...wei.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, vbabka@...e.cz,
        alexander.h.duyck@...el.com, mgorman@...e.de,
        l.stach@...gutronix.de, vdavydov.dev@...il.com, hannes@...xchg.org,
        minchan@...nel.org, npiggin@...il.com,
        kirill.shutemov@...ux.intel.com, gi-oh.kim@...fitbricks.com,
        luto@...nel.org, keescook@...omium.org, mark.rutland@....com,
        mingo@...nel.org, heiko.carstens@...ibm.com,
        iamjoonsoo.kim@....com, rientjes@...gle.com,
        ming.ling@...eadtrum.com, jack@...e.cz, ebru.akagunduz@...il.com,
        bigeasy@...utronix.de, Mi.Sophia.Wang@...wei.com,
        zhouxiyu@...wei.com, weidu.du@...wei.com, fanghua3@...wei.com,
        won.ho.park@...wei.com
Subject: Re: [PATCH mm] introduce reverse buddy concept to reduce buddy
 fragment

On Mon 03-07-17 20:02:16, zhouxianrong wrote:
[...]
> from above i think after applying the patch the result is better.

You haven't described your testing methodology, nor the workload that was
tested. As such this data is completely meaningless.

-- 
Michal Hocko
SUSE Labs