From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [Lhms-devel] new memory hotremoval patch From: Dave Hansen In-Reply-To: <20040630111719.EBACF70A92@sv1.valinux.co.jp> References: <20040630111719.EBACF70A92@sv1.valinux.co.jp> Content-Type: text/plain Message-Id: <1088640671.5265.1017.camel@nighthawk> Mime-Version: 1.0 Date: Wed, 30 Jun 2004 17:11:11 -0700 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: IWAMOTO Toshihiro Cc: Linux Kernel Mailing List , lhms , linux-mm List-ID: On Wed, 2004-06-30 at 04:17, IWAMOTO Toshihiro wrote: > Due to struct page changes, page->mapping == NULL predicate can no > longer be used for detecting cancellation of an anonymous page > remapping operation. So the PG_again bit is being used again. > It may be still possible to kill the PG_again bit, but the priority is > rather low. But, you reintroduced it everywhere, including file-backed pages, not just for anonymous pages? Why was this necessary? -- Dave -- 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