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From: Michal Hocko <mhocko@kernel.org>
To: zhouxianrong <zhouxianrong@huawei.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, vbabka@suse.cz,
	alexander.h.duyck@intel.com, mgorman@suse.de,
	l.stach@pengutronix.de, vdavydov.dev@gmail.com,
	hannes@cmpxchg.org, minchan@kernel.org, npiggin@gmail.com,
	kirill.shutemov@linux.intel.com, gi-oh.kim@profitbricks.com,
	luto@kernel.org, keescook@chromium.org, mark.rutland@arm.com,
	mingo@kernel.org, heiko.carstens@de.ibm.com,
	iamjoonsoo.kim@lge.com, rientjes@google.com,
	ming.ling@spreadtrum.com, jack@suse.cz, ebru.akagunduz@gmail.com,
	bigeasy@linutronix.de, Mi.Sophia.Wang@huawei.com,
	zhouxiyu@huawei.com, weidu.du@huawei.com, fanghua3@huawei.com,
	won.ho.park@huawei.com
Subject: Re: [PATCH mm] introduce reverse buddy concept to reduce buddy fragment
Date: Tue, 4 Jul 2017 08:52:16 +0200	[thread overview]
Message-ID: <20170704065215.GB12068@dhcp22.suse.cz> (raw)
In-Reply-To: <5c9cf499-6f71-6dda-6378-7e9f27e6cd70@huawei.com>

On Tue 04-07-17 09:21:00, zhouxianrong wrote:
> the test was done as follows:
> 
> 1. the environment is android 7.0 and kernel is 4.1 and managed memory is 3.5GB

There have been many changes in the compaction proper since than. Do you
see the same problem with the current upstream kernel?

> 2. every 4s startup one apk, total 100 more apks need to startup
> 3. after finishing step 2, sample buddyinfo once and get the result

How stable are those results?
-- 
Michal Hocko
SUSE Labs

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  reply	other threads:[~2017-07-04  6:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-30 11:25 [PATCH mm] introduce reverse buddy concept to reduce buddy fragment zhouxianrong
2017-07-03  7:48 ` Michal Hocko
2017-07-03  9:01   ` zhouxianrong
2017-07-03 12:02   ` zhouxianrong
2017-07-03 15:33     ` Michal Hocko
2017-07-04  1:21       ` zhouxianrong
2017-07-04  6:52         ` Michal Hocko [this message]
2017-07-04  7:00           ` zhouxianrong
2017-07-04  8:04           ` zhouxianrong
2017-07-04 11:24             ` Michal Hocko
2017-07-04 11:46               ` Mel Gorman
  -- strict thread matches above, loose matches on Subject: below --
2017-06-30 11:22 zhouxianrong

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