From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758761AbYLQL1o (ORCPT ); Wed, 17 Dec 2008 06:27:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751491AbYLQL1e (ORCPT ); Wed, 17 Dec 2008 06:27:34 -0500 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:58051 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750994AbYLQL1d (ORCPT ); Wed, 17 Dec 2008 06:27:33 -0500 From: KOSAKI Motohiro To: LKML , linux-mm , Andrew Morton Subject: [PATCH] mm: kill page_queue_congested() Cc: kosaki.motohiro@jp.fujitsu.com Message-Id: <20081217202547.FF22.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Date: Wed, 17 Dec 2008 20:27:30 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org == Subject: [PATCH] mm: kill page_queue_congested() page_queue_congested() was introduced at 2002. but it is unused until now at all. it can be removed. Signed-off-by: KOSAKI Motohiro --- mm/swapfile.c | 20 -------------------- 1 file changed, 20 deletions(-) Index: b/mm/swapfile.c =================================================================== --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1203,26 +1203,6 @@ out: return ret; } -#if 0 /* We don't need this yet */ -#include -int page_queue_congested(struct page *page) -{ - struct backing_dev_info *bdi; - - BUG_ON(!PageLocked(page)); /* It pins the swap_info_struct */ - - if (PageSwapCache(page)) { - swp_entry_t entry = { .val = page_private(page) }; - struct swap_info_struct *sis; - - sis = get_swap_info_struct(swp_type(entry)); - bdi = sis->bdev->bd_inode->i_mapping->backing_dev_info; - } else - bdi = page->mapping->backing_dev_info; - return bdi_write_congested(bdi); -} -#endif - asmlinkage long sys_swapoff(const char __user * specialfile) { struct swap_info_struct * p = NULL;