Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752871AbdHDNaS (ORCPT ); Fri, 4 Aug 2017 09:30:18 -0400 Received: from foss.arm.com ([217.140.101.70]:53358 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752460AbdHDNaR (ORCPT ); Fri, 4 Aug 2017 09:30:17 -0400 Date: Fri, 4 Aug 2017 14:30:17 +0100 From: Will Deacon To: Dou Liyang Cc: linux-kernel@vger.kernel.org, mpe@ellerman.id.au, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com Subject: Re: [PATCH 01/11] arm64: numa: Remove the unused parent_node() macro Message-ID: <20170804133017.GD15287@arm.com> References: <1501076076-1974-1-git-send-email-douly.fnst@cn.fujitsu.com> <1501076076-1974-2-git-send-email-douly.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1501076076-1974-2-git-send-email-douly.fnst@cn.fujitsu.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1062 Lines: 34 On Wed, Jul 26, 2017 at 09:34:26PM +0800, Dou Liyang wrote: > Commit a7be6e5a7f8d ("mm: drop useless local parameters of > __register_one_node()") removes the last user of parent_node(). > > The parent_node() macro in ARM64 platform is unnecessary. > > Remove it for cleanup. > > Reported-by: Michael Ellerman > Signed-off-by: Dou Liyang > Cc: Michael Ellerman > Cc: Will Deacon > Cc: linux-arm-kernel@lists.infradead.org > --- > arch/arm64/include/asm/numa.h | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h > index bf466d1..ef7b238 100644 > --- a/arch/arm64/include/asm/numa.h > +++ b/arch/arm64/include/asm/numa.h > @@ -7,9 +7,6 @@ > > #define NR_NODE_MEMBLKS (MAX_NUMNODES * 2) > > -/* currently, arm64 implements flat NUMA topology */ > -#define parent_node(node) (node) > - Acked-by: Will Deacon Where you intending for this to go via the arm64 tree? Will