From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 25 Feb 2003 17:02:54 -0600 From: Dave McCracken Subject: [PATCH 2.5.62-mm3] objrmap fix for X Message-ID: <453440000.1046214174@[10.1.1.5]> In-Reply-To: <359700000.1046209586@[10.1.1.5]> References: <20030223230023.365782f3.akpm@digeo.com> <3E5A0F8D.4010202@aitel.hist.no><20030224121601.2c998cc5.akpm@digeo.com> <20030225094526.GA18857@gemtek.lt><20030225015537.4062825b.akpm@digeo.com> <131360000.1046195828@[10.1.1.5]> <20030225132755.241e85ac.akpm@digeo.com> <359700000.1046209586@[10.1.1.5]> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="==========2135142778==========" Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: zilvinas@gemtek.lt, helgehaf@aitel.hist.no, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: --==========2135142778========== Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline --On Tuesday, February 25, 2003 15:46:26 -0600 Dave McCracken wrote: >> Keep the flag for now, find the escaped page under X, remove the flag >> later? > > It occurred to me I'm already using (abusing?) the flag for nonlinear > pages, so I have to keep it. I'll chase solutions for X. Ok, the vm_ops->nopage function is set in drivers like drm and agp. I don't think it's reasonable to require all of them to set PageAnon. So here's a patch that tests the page on do_no_page and sets the flag appropriately. Dave McCracken --==========2135142778========== Content-Type: text/plain; charset=us-ascii; name="objfix-2.5.62-mm3-1.diff" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="objfix-2.5.62-mm3-1.diff"; size=362 --- 2.5.62-mm3/mm/memory.c 2003-02-25 11:40:38.000000000 -0600 +++ 2.5.62-mm3-new/mm/memory.c 2003-02-25 15:54:51.000000000 -0600 @@ -1325,6 +1325,10 @@ if (!pte_chain) goto oom; + /* See if nopage returned an anon page */ + if (!new_page->mapping || PageSwapCache(new_page)) + SetPageAnon(new_page); + /* * Should we do an early C-O-W break? */ --==========2135142778==========-- -- 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