From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 14 May 2003 11:17:48 -0700 From: Andrew Morton Subject: Re: Race between vmtruncate and mapped areas? Message-Id: <20030514111748.57670088.akpm@digeo.com> In-Reply-To: <99000000.1052935556@baldur.austin.ibm.com> References: <154080000.1052858685@baldur.austin.ibm.com> <3EC15C6D.1040403@kolumbus.fi> <199610000.1052864784@baldur.austin.ibm.com> <20030513181018.4cbff906.akpm@digeo.com> <18240000.1052924530@baldur.austin.ibm.com> <20030514103421.197f177a.akpm@digeo.com> <82240000.1052934152@baldur.austin.ibm.com> <20030514105706.628fba15.akpm@digeo.com> <99000000.1052935556@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: mika.penttila@kolumbus.fi, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Dave McCracken wrote: > > > It would be nice to make them go away - they cause problems. > > Definitely. We almost have the pieces necessary to detect it and/or > prevent it, but the info isn't in quite the right layer at the right time. > If it weren't for the lock order problem with mmap_sem we could have nailed > it that way. Sigh. I think it might be sufficient to re-check the page against i_size after IO completion in filemap_nopage(). -- 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