From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 03 Mar 2003 15:24:45 -0600 From: Dave McCracken Subject: Re: [PATCH 2.5.63] Teach page_mapped about the anon flag Message-ID: <107610000.1046726685@baldur.austin.ibm.com> In-Reply-To: <20030303131210.36645af6.akpm@digeo.com> References: <20030227025900.1205425a.akpm@digeo.com> <200302280822.09409.kernel@kolivas.org> <20030227134403.776bf2e3.akpm@digeo.com> <118810000.1046383273@baldur.austin.ibm.com> <20030227142450.1c6a6b72.akpm@digeo.com> <103400000.1046725581@baldur.austin.ibm.com> <20030303131210.36645af6.akpm@digeo.com> 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: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: --On Monday, March 03, 2003 13:12:10 -0800 Andrew Morton wrote: > It is. All callers which need to be 100% accurate are under > pte_chain_lock(). Hmm, good point. Some places may not need perfect accuracy. Also, if it gives a false positive it means someone else is doing an atomic op on it, so it's likely to be in transition to/from true anyway. Ok, you've convinced me. Please ignore the patch. I'll hang onto it in case we get proved wrong at some point. 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