From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93CD9C6FA8F for ; Tue, 29 Aug 2023 12:33:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235487AbjH2Mcr (ORCPT ); Tue, 29 Aug 2023 08:32:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235534AbjH2McN (ORCPT ); Tue, 29 Aug 2023 08:32:13 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CE811A3 for ; Tue, 29 Aug 2023 05:32:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=/tFGeoIOTSwMPxn6jit/B1Nh0WKY+PIwsengOhDWvgU=; b=kmRfFUUgOqOwMBkss/1f0YiIPK KjK+EErKgLgkVmMGdHItFf12BrIIpE3zm2LmjhsrsnVhG8FKSdYgAA9A2EL7sUmb0AQgDaF9K969s gAgjXhRY+tH/Opi0/ITecWeYCx4pGM5WgRjKgIQlqYCZs2qljjuXks6Eph9G2tAUCLIWnf2OkLi4C UHIm3sSstFhwdsNnOZDRD2kEiU10wrEvhKnhZ7T3xqw2AzOwwLDV07Vvl8Cdal393Xp1USeHyGesC FfHmhAULpkLHMc9B377Pbh8dT71HMirbDnRWfU+IIOoGMAgC7sE03UbaucvgB2PbltOsMXfHGwv8J oj9HFWEQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qaxt4-006XZk-T3; Tue, 29 Aug 2023 12:32:02 +0000 Date: Tue, 29 Aug 2023 13:32:02 +0100 From: Matthew Wilcox To: Anshuman Khandual Cc: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/mmap: Define DEFAULT_STACK_GUARD_GAP Message-ID: References: <20230828035248.678960-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230828035248.678960-1-anshuman.khandual@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 28, 2023 at 09:22:48AM +0530, Anshuman Khandual wrote: > This just defines a macro constant i.e DEFAULT_STACK_GUARD_GAP representing > the default gap, guarding the stack mapping. This does not cause functional > changes. But why have you done it at all?