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From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Rientjes <rientjes@google.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Fengguang Wu <fengguang.wu@intel.com>,
	Rik van Riel <riel@redhat.com>,
	Andrew Shewmaker <agshew@gmail.com>,
	Jiri Kosina <jkosina@suse.cz>, Namjae Jeon <linkinjeon@gmail.com>,
	Jan Kara <jack@suse.cz>, Tejun Heo <tj@kernel.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/7] mm/page_alloc: fix blank in show_free_areas
Date: Mon, 17 Jun 2013 17:50:36 +0800	[thread overview]
Message-ID: <20130617095036.GB21564@hacker.(null)> (raw)
In-Reply-To: <20130617081012.GA19194@dhcp22.suse.cz>

On Mon, Jun 17, 2013 at 10:10:12AM +0200, Michal Hocko wrote:
>On Sun 16-06-13 09:14:47, Wanpeng Li wrote:
>> There is a blank in show_free_areas which lead to dump messages aren't
>> aligned. This patch remove blank.
>> 
>> Before patch:
>> 
>> [155219.720141] active_anon:50675 inactive_anon:35273 isolated_anon:0
>> [155219.720141]  active_file:215421 inactive_file:344268 isolated_file:0
>> [155219.720141]  unevictable:0 dirty:35 writeback:0 unstable:0
>> [155219.720141]  free:1334870 slab_reclaimable:28833 slab_unreclaimable:5115
>> [155219.720141]  mapped:25233 shmem:35511 pagetables:1705 bounce:0
>> [155219.720141]  free_cma:0
>> 
>> After patch:
>> 
>> [   73.913889] active_anon:39578 inactive_anon:32082 isolated_anon:0
>> [   73.913889] active_file:14621 inactive_file:57993 isolated_file:0
>> [   73.913889] unevictable:0dirty:263 writeback:0 unstable:0
>> [   73.913889] free:1865614 slab_reclaimable:3264 slab_unreclaimable:4566
>> [   73.913889] mapped:21192 shmem:32327 pagetables:1572 bounce:0
>> [   73.913889] free_cma:0
>
>Not that I would care much but this format is here for ages. An
>additional space was kind of nice to visually separate this part from
>the per-zone data.
>
>Is there any special reason for this change?
>

No special reason, I'm ok if you prefer the old format. ;-)

>> Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
>> ---
>>  mm/page_alloc.c | 12 ++++++------
>>  1 file changed, 6 insertions(+), 6 deletions(-)
>> 
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index 18102e1..e6e881a 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -3004,12 +3004,12 @@ void show_free_areas(unsigned int filter)
>>  	}
>>  
>>  	printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"
>> -		" active_file:%lu inactive_file:%lu isolated_file:%lu\n"
>> -		" unevictable:%lu"
>> -		" dirty:%lu writeback:%lu unstable:%lu\n"
>> -		" free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n"
>> -		" mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n"
>> -		" free_cma:%lu\n",
>> +		"active_file:%lu inactive_file:%lu isolated_file:%lu\n"
>> +		"unevictable:%lu"
>> +		"dirty:%lu writeback:%lu unstable:%lu\n"
>
>There is a space missing between unevictable and dirty.

Oh, I miss that. Thanks for pointing out. ;-)

Regards,
Wanpeng Li 

>
>> +		"free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n"
>> +		"mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n"
>> +		"free_cma:%lu\n",
>>  		global_page_state(NR_ACTIVE_ANON),
>>  		global_page_state(NR_INACTIVE_ANON),
>>  		global_page_state(NR_ISOLATED_ANON),
>
>-- 
>Michal Hocko
>SUSE Labs

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  reply	other threads:[~2013-06-17  9:50 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-16  1:14 [PATCH v2 1/7] mm/writeback: remove wb_reason_name Wanpeng Li
2013-06-16  1:14 ` [PATCH v2 2/7] mm/writeback: Don't check force_wait to handle bdi->work_list Wanpeng Li
2013-06-16  1:14 ` [PATCH v2 3/7] mm/writeback: commit reason of WB_REASON_FORKER_THREAD mismatch name Wanpeng Li
2013-06-17  8:30   ` Michal Hocko
2013-06-17  9:41     ` Wanpeng Li
2013-06-17  9:41     ` Wanpeng Li
     [not found]     ` <51bed9eb.41e9420a.2725.ffff943cSMTPIN_ADDED_BROKEN@mx.google.com>
2013-06-17 20:27       ` Tejun Heo
2013-06-16  1:14 ` [PATCH v2 4/7] mm/page_alloc: fix blank in show_free_areas Wanpeng Li
2013-06-17  8:10   ` Michal Hocko
2013-06-17  9:50     ` Wanpeng Li [this message]
2013-06-17  9:50     ` Wanpeng Li
2013-06-16  1:14 ` [PATCH v2 5/7] mm/page_alloc: fix doc for numa_zonelist_order Wanpeng Li
2013-06-17  8:17   ` Michal Hocko
2013-06-16  1:14 ` [PATCH v2 6/7] mm/thp: fix doc for transparent huge zero page Wanpeng Li
2013-06-16  1:14 ` [PATCH v2 7/7] mm/pgtable: Don't accumulate addr during pgd prepopulate pmd Wanpeng Li
2013-06-17  8:20   ` Michal Hocko

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