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From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	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>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/6] mm/writeback: commit reason of WB_REASON_FORKER_THREAD mismatch name
Date: Wed, 19 Jun 2013 07:39:40 +0800	[thread overview]
Message-ID: <20130618233940.GA32647@hacker.(null)> (raw)
In-Reply-To: <20130618190139.GG1596@htj.dyndns.org>

On Tue, Jun 18, 2013 at 12:01:39PM -0700, Tejun Heo wrote:
>On Tue, Jun 18, 2013 at 07:33:39PM +0800, Wanpeng Li wrote:
>> After commit 839a8e86("writeback: replace custom worker pool implementation
>> with unbound workqueue"), there is no bdi forker thread any more. However,
>> WB_REASON_FORKER_THREAD is still used due to it is somewhat userland visible
>> and we won't be exposing exactly the same information with just a different
>> name.
>> 
>> Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
>
>Reviewed-by: Tejun Heo <tj@kernel.org>
>
>> +/*
>> + * There is no bdi forker thread any more and works are done by emergency
>> + * worker, however, this is somewhat userland visible and we'll be exposing
>> + * exactly the same information, so it has a mismatch name.
>> + */
>>  	WB_REASON_FORKER_THREAD,
>
>But it'd be probably better to explicitly point to the TPs rather than
>saying "somewhat" visible.

Thanks for your review, Tejun, I will update them in next version. ;-)

Regards,
Wanpeng Li 

>
>Thanks.
>
>-- 
>tejun

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  reply	other threads:[~2013-06-18 23:39 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-18 11:33 [PATCH v3 1/6] mm/writeback: remove wb_reason_name Wanpeng Li
2013-06-18 11:33 ` Wanpeng Li
2013-06-18 11:33 ` [PATCH v3 2/6] mm/writeback: Don't check force_wait to handle bdi->work_list Wanpeng Li
2013-06-18 11:33   ` Wanpeng Li
2013-06-18 19:00   ` Tejun Heo
2013-06-18 19:00     ` Tejun Heo
2013-06-18 11:33 ` [PATCH v3 3/6] mm/writeback: commit reason of WB_REASON_FORKER_THREAD mismatch name Wanpeng Li
2013-06-18 11:33   ` Wanpeng Li
2013-06-18 19:01   ` Tejun Heo
2013-06-18 19:01     ` Tejun Heo
2013-06-18 23:39     ` Wanpeng Li [this message]
2013-06-18 23:39     ` Wanpeng Li
2013-06-18 11:33 ` [PATCH v3 4/6] mm/page_alloc: fix doc for numa_zonelist_order Wanpeng Li
2013-06-18 11:33   ` Wanpeng Li
2013-06-18 11:33 ` [PATCH v3 5/6] mm/thp: fix doc for transparent huge zero page Wanpeng Li
2013-06-18 11:33   ` Wanpeng Li
2013-06-18 11:33 ` [PATCH v3 6/6] mm/pgtable: Don't accumulate addr during pgd prepopulate pmd Wanpeng Li
2013-06-18 11:33   ` Wanpeng Li
2013-06-18 18:59 ` [PATCH v3 1/6] mm/writeback: remove wb_reason_name Tejun Heo
2013-06-18 18:59   ` Tejun Heo

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