From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 30 Jun 2004 23:33:50 +0900 (JST) Message-Id: <20040630.233350.74723167.taka@valinux.co.jp> Subject: Re: [Lhms-devel] Re: new memory hotremoval patch From: Hirokazu Takahashi In-Reply-To: <1088595151.2706.12.camel@laptop.fenrus.com> References: <20040630111719.EBACF70A92@sv1.valinux.co.jp> <1088595151.2706.12.camel@laptop.fenrus.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: arjanv@redhat.com Cc: iwamoto@valinux.co.jp, linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net, linux-mm@kvack.org List-ID: Hello, > > Page "remapping" is a mechanism to free a specified page by copying the > > page content to a newly allocated replacement page and redirecting > > references to the original page to the new page. > > This was designed to reliably free specified pages, unlike the swapout > > code. > > are you 100% sure the locking is correct wrt O_DIRECT, AIO or futexes ?? Sure, it can handle that! And it can handle pages on RAMDISK and sysfs and so on. Thank you, Hirokazu Takahashi. -- 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