From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 2 Apr 2003 15:52:20 -0800 From: Andrew Morton Subject: Re: [PATCH 2.5.66-mm2] Fix page_convert_anon locking issues Message-Id: <20030402155220.651a1005.akpm@digeo.com> In-Reply-To: <110950000.1049326945@baldur.austin.ibm.com> References: <8910000.1049303582@baldur.austin.ibm.com> <20030402132939.647c74a6.akpm@digeo.com> <80300000.1049320593@baldur.austin.ibm.com> <20030402150903.21765844.akpm@digeo.com> <102170000.1049325787@baldur.austin.ibm.com> <20030402153845.0770ef54.akpm@digeo.com> <110950000.1049326945@baldur.austin.ibm.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: Dave McCracken Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Dave McCracken wrote: > > > Oops. The pmd_present() check should be after the page_to_pfn() != > pte_pfn() check. > hmmmm. It also probably needs both compiler barriers and memory barriers. It does give me creepy feelings. I worry that because nobody uses remap_file_pages() yet, we will hit 2.6.25 before discovering that we have fundamental VM locking problems which affect $major$ applications. -- 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