From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755462AbcBHEv6 (ORCPT ); Sun, 7 Feb 2016 23:51:58 -0500 Received: from ozlabs.org ([103.22.144.67]:35314 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753979AbcBHEv5 (ORCPT ); Sun, 7 Feb 2016 23:51:57 -0500 Date: Mon, 8 Feb 2016 15:51:54 +1100 From: Stephen Rothwell To: Andrew Morton Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Joonsoo Kim , David Rientjes , Benjamin Herrenschmidt Subject: linux-next: build failure after merge of the akpm-current tree Message-ID: <20160208155154.1cb807c6@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, After merging the akpm-current tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: arch/powerpc/mm/hash_utils_64.c: In function 'htab_bolt_mapping': arch/powerpc/mm/hash_utils_64.c:260:28: error: 'linear_map_hash_count' undeclared (first use in this function) (paddr >> PAGE_SHIFT) < linear_map_hash_count) ^ arch/powerpc/mm/hash_utils_64.c:260:28: note: each undeclared identifier is reported only once for each function it appears in arch/powerpc/mm/hash_utils_64.c:261:4: error: 'linear_map_hash_slots' undeclared (first use in this function) linear_map_hash_slots[paddr >> PAGE_SHIFT] = ret | 0x80; ^ arch/powerpc/mm/hash_utils_64.c: In function 'htab_initialize': arch/powerpc/mm/hash_utils_64.c:724:3: error: 'linear_map_hash_count' undeclared (first use in this function) linear_map_hash_count = memblock_end_of_DRAM() >> PAGE_SHIFT; ^ arch/powerpc/mm/hash_utils_64.c:725:3: error: 'linear_map_hash_slots' undeclared (first use in this function) linear_map_hash_slots = __va(memblock_alloc_base( ^ Caused by commit 79581c9f284e ("powerpc: query dynamic DEBUG_PAGEALLOC setting") The CONFIG_DEBUG_PAGEALLOC stuff in this file depends on extra data being kept which was left under CONFIG_DEBUG_PAGEALLOC protection. I just reverted this commit for today. -- Cheers, Stephen Rothwell