From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [RFC] free_area[] bitmap elimination [0/3] From: Nigel Cunningham Reply-To: ncunningham@linuxmail.org In-Reply-To: <4126B3F9.90706@jp.fujitsu.com> References: <4126B3F9.90706@jp.fujitsu.com> Content-Type: text/plain Message-Id: <1093081389.5379.55.camel@laptop.cunninghams> Mime-Version: 1.0 Date: Sat, 21 Aug 2004 19:43:09 +1000 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Hiroyuki KAMEZAWA Cc: Linux Memory Management , LHMS List-ID: Hi. On Sat, 2004-08-21 at 12:31, Hiroyuki KAMEZAWA wrote: > Hi > > This patch removes bitmap from buddy allocator used in > alloc_pages()/free_pages() in the kernel 2.6.8.1. For what it's worth, I like the concept. Suspend 2 currently builds a bitmap of free pages precisely because iterating through these lists is slow. Getting the data directly from page structs will allow me to remove some code. Nigel -- Nigel Cunningham Christian Reformed Church of Tuggeranong PO Box 1004, Tuggeranong, ACT 2901 Many today claim to be tolerant. But true tolerance can cope with others being intolerant. -- 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: aart@kvack.org