From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na6sys010bmx094.postini.com [74.125.246.194]) by kanga.kvack.org (Postfix) with SMTP id 1C0C16B0034 for ; Thu, 20 Jun 2013 20:29:09 -0400 (EDT) Received: from /spool/local by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 21 Jun 2013 05:50:38 +0530 Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id E86961258059 for ; Fri, 21 Jun 2013 05:58:02 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay05.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r5L0Sxfm24379582 for ; Fri, 21 Jun 2013 05:58:59 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r5L0T22k006552 for ; Fri, 21 Jun 2013 10:29:03 +1000 From: Wanpeng Li Subject: [PATCH v5 3/6] commit reason of WB_REASON_FORKER_THREAD mismatch name Date: Fri, 21 Jun 2013 08:28:51 +0800 Message-Id: <1371774534-4139-3-git-send-email-liwanp@linux.vnet.ibm.com> In-Reply-To: <1371774534-4139-1-git-send-email-liwanp@linux.vnet.ibm.com> References: <1371774534-4139-1-git-send-email-liwanp@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Michal Hocko , David Rientjes , "Kirill A. Shutemov" , Fengguang Wu , Rik van Riel , Andrew Shewmaker , Jiri Kosina , Namjae Jeon , Jan Kara , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wanpeng Li Changelog: v4 -> v5: * indent the comment 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 TPs userland visible and we won't be exposing exactly the same information with just a different name. Reviewed-by: Tejun Heo Signed-off-by: Wanpeng Li --- include/linux/writeback.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 8b5cec4..703a48a 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -47,6 +47,12 @@ enum wb_reason { WB_REASON_LAPTOP_TIMER, WB_REASON_FREE_MORE_MEM, WB_REASON_FS_FREE_SPACE, + /* + * 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, WB_REASON_MAX, -- 1.7.5.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org