From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 03 Apr 2003 10:39:37 -0600 From: Dave McCracken Subject: Re: [PATCH 2.5.66-mm2] Fix page_convert_anon locking issues Message-ID: <23590000.1049387977@baldur.austin.ibm.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: Hugh Dickins Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: --On Thursday, April 03, 2003 17:33:31 +0100 Hugh Dickins wrote: > No: see the various checks on page_count(page) in vmscan.c: > though page_convert_anon temporarily leaves a page with neither > mapcount nor the right number of pte pointers, page_count is unaffected. Oh, hmm... Ok, so it's safe... This could have some interesting implications all around. Dave ====================================================================== Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059 dmccr@us.ibm.com T/L 678-3059 -- 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