Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 29 Oct 2001 19:00:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 29 Oct 2001 19:00:40 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:48169 "EHLO svldns02.veritas.com") by vger.kernel.org with ESMTP id ; Mon, 29 Oct 2001 19:00:33 -0500 Date: Tue, 30 Oct 2001 00:02:53 +0000 (GMT) From: Hugh Dickins To: Benjamin LaHaise cc: Linus Torvalds , "David S. Miller" , linux-kernel@vger.kernel.org Subject: Re: please revert bogus patch to vmscan.c In-Reply-To: <20011029182949.H25434@redhat.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 29 Oct 2001, Benjamin LaHaise wrote: > Think of CPUs with tagged tlbs and lots of entries. Or even a system that > only runs 1 threaded app. Easily triggerable. If people want to optimise > it, great. But go for correctness first, please... But was the original flush_tlb_page() fully correct? In i386 it's if (vma->vm_mm == current->active_mm) __flush_tlb_one(addr); without reference to whether vma->vm_mm is active on another cpu. Hugh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/