From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 31 Aug 2004 16:24:08 -0700 From: Andrew Morton Subject: Re: [Lhms-devel] Re: [RFC] buddy allocator without bitmap(2) [0/3] Message-Id: <20040831162408.3718c83e.akpm@osdl.org> In-Reply-To: <4134FF50.8000300@jp.fujitsu.com> References: <41345491.1020209@jp.fujitsu.com> <1093969590.26660.4806.camel@nighthawk> <4134FF50.8000300@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Hiroyuki KAMEZAWA Cc: haveblue@us.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lhms-devel@lists.sourceforge.net List-ID: Hiroyuki KAMEZAWA wrote: > > Because I had to record some information about shape of mem_map, I used PG_xxx bit. > 1 bit is maybe minimum consumption. The point is that we're running out of bits in page.flags. You should be able to reuse an existing bit for this application. PG_lock would suit. -- 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