Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 23 Jul 2002 13:37:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 23 Jul 2002 13:37:15 -0400 Received: from deimos.hpl.hp.com ([192.6.19.190]:12774 "EHLO deimos.hpl.hp.com") by vger.kernel.org with ESMTP id ; Tue, 23 Jul 2002 13:37:14 -0400 From: David Mosberger MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15677.37942.751459.494661@napali.hpl.hp.com> Date: Tue, 23 Jul 2002 10:36:54 -0700 To: Hugh Dickins Cc: Alan Cox , Robert Love , David Mosberger , linux-kernel@vger.kernel.org Subject: Re: [PATCH] VM accounting 3/3 noreserve In-Reply-To: References:

X-Mailer: VM 7.07 under Emacs 21.2.1 Reply-To: davidm@hpl.hp.com X-URL: http://www.hpl.hp.com/personal/David_Mosberger/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 18 >>>>> On Tue, 23 Jul 2002 18:29:22 +0100 (BST), Hugh Dickins said: Hugh> MAP_NORESERVE handling remains odd: doesn't have its own Hugh> VM_flag, so mprotect a private readonly MAP_NORESERVE mapping Hugh> to writable and the reservation is then made/checked (see Hugh> vmacct2 patch). I don't mind adding VM_NORESERVE to fix that Hugh> later, if MAP_NORESERVE users think it necessary: David? Well, if we support MAP_NORESERVE, we ought to do it consistently and correctly (note: my original report was triggered by a third party getting confused because MAP_NORESERVE didn't work as expected). --david - 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/