linux-kernel - Re: [PATCH] mm: make allocation counters per-order

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Message-ID: <201707071410.xbksVVBx%fengguang.wu@intel.com>
Date:   Fri, 7 Jul 2017 14:06:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Roman Gushchin <guro@...com>
Cc:     kbuild-all@...org, linux-mm@...ck.org,
        Roman Gushchin <guro@...com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Rik van Riel <riel@...hat.com>, kernel-team@...com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: make allocation counters per-order

Hi Roman,

[auto build test WARNING on mmotm/master]
[also build test WARNING on next-20170706]
[cannot apply to v4.12]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Roman-Gushchin/mm-make-allocation-counters-per-order/20170707-091630
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All warnings (new ones prefixed by >>):

   mm/memcontrol.c: In function 'memory_stat_show':
>> mm/memcontrol.c:5262:1: warning: the frame size of 1136 bytes is larger than 1024 bytes [-Wframe-larger-than=]
    }
    ^

vim +5262 mm/memcontrol.c

f10eb7534 Roman Gushchin  2017-06-30  5246  		   events[PGSCAN_DIRECT]);
f10eb7534 Roman Gushchin  2017-06-30  5247  	seq_printf(m, "pgsteal %lu\n", events[PGSTEAL_KSWAPD] +
f10eb7534 Roman Gushchin  2017-06-30  5248  		   events[PGSTEAL_DIRECT]);
f10eb7534 Roman Gushchin  2017-06-30  5249  	seq_printf(m, "pgactivate %lu\n", events[PGACTIVATE]);
f10eb7534 Roman Gushchin  2017-06-30  5250  	seq_printf(m, "pgdeactivate %lu\n", events[PGDEACTIVATE]);
f10eb7534 Roman Gushchin  2017-06-30  5251  	seq_printf(m, "pglazyfree %lu\n", events[PGLAZYFREE]);
f10eb7534 Roman Gushchin  2017-06-30  5252  	seq_printf(m, "pglazyfreed %lu\n", events[PGLAZYFREED]);
f10eb7534 Roman Gushchin  2017-06-30  5253  
2a2e48854 Johannes Weiner 2017-05-03  5254  	seq_printf(m, "workingset_refault %lu\n",
71cd31135 Johannes Weiner 2017-05-03  5255  		   stat[WORKINGSET_REFAULT]);
2a2e48854 Johannes Weiner 2017-05-03  5256  	seq_printf(m, "workingset_activate %lu\n",
71cd31135 Johannes Weiner 2017-05-03  5257  		   stat[WORKINGSET_ACTIVATE]);
2a2e48854 Johannes Weiner 2017-05-03  5258  	seq_printf(m, "workingset_nodereclaim %lu\n",
71cd31135 Johannes Weiner 2017-05-03  5259  		   stat[WORKINGSET_NODERECLAIM]);
2a2e48854 Johannes Weiner 2017-05-03  5260  
587d9f726 Johannes Weiner 2016-01-20  5261  	return 0;
587d9f726 Johannes Weiner 2016-01-20 @5262  }
587d9f726 Johannes Weiner 2016-01-20  5263  
241994ed8 Johannes Weiner 2015-02-11  5264  static struct cftype memory_files[] = {
241994ed8 Johannes Weiner 2015-02-11  5265  	{
241994ed8 Johannes Weiner 2015-02-11  5266  		.name = "current",
f5fc3c5d8 Johannes Weiner 2015-11-05  5267  		.flags = CFTYPE_NOT_ON_ROOT,
241994ed8 Johannes Weiner 2015-02-11  5268  		.read_u64 = memory_current_read,
241994ed8 Johannes Weiner 2015-02-11  5269  	},
241994ed8 Johannes Weiner 2015-02-11  5270  	{

:::::: The code at line 5262 was first introduced by commit
:::::: 587d9f726aaec52157e4156e50363dbe6cb82bdb mm: memcontrol: basic memory statistics in cgroup2 memory controller

:::::: TO: Johannes Weiner <hannes@...xchg.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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