From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45B9A00C.4040701@yahoo.com.au> Date: Fri, 26 Jan 2007 17:30:36 +1100 From: Nick Piggin MIME-Version: 1.0 Subject: Re: [RFC] Track mlock()ed pages References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Christoph Lameter wrote: > Add NR_MLOCK > > Track mlocked pages via a ZVC I think it is not quite right. You are tracking the number of ptes that point to mlocked pages, which can be >= the actual number of pages. Also, page_add_anon_rmap still needs to be balanced with page_remove_rmap. I can't think of an easy way to do this without per-page state. ie. another page flag. > > Signed-off-by: Christoph Lameter > -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com -- 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: email@kvack.org