From patchwork Sun Dec 1 01:54:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11268347 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DA6B4921 for ; Sun, 1 Dec 2019 01:54:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A6F76215E5 for ; Sun, 1 Dec 2019 01:54:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZrgoLsS9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6F76215E5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 276D66B0301; Sat, 30 Nov 2019 20:54:26 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 226B16B0303; Sat, 30 Nov 2019 20:54:26 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 164246B0304; Sat, 30 Nov 2019 20:54:26 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0057.hostedemail.com [216.40.44.57]) by kanga.kvack.org (Postfix) with ESMTP id F3D716B0301 for ; Sat, 30 Nov 2019 20:54:25 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id BBC35181AEF0B for ; Sun, 1 Dec 2019 01:54:25 +0000 (UTC) X-FDA: 76214902890.21.pot77_26a1d6e54bd5b X-Spam-Summary: 2,0,0,32ed19b00ca0f867,d41d8cd98f00b204,akpm@linux-foundation.org,:akpm@linux-foundation.org:david@redhat.com:gor@linux.ibm.com:heiko.carstens@de.ibm.com:iii@linux.ibm.com::mm-commits@vger.kernel.org:osalvador@suse.com:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:966:967:973:988:989:1260:1263:1345:1381:1431:1437:1534:1542:1711:1730:1747:1777:1792:2196:2199:2393:2525:2559:2564:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3353:3865:3866:3867:3870:3871:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:4385:5007:6261:6653:7576:7903:8599:9025:9545:10004:10913:11026:11473:11658:11914:12043:12048:12114:12296:12297:12438:12517:12519:12555:12679:12783:12986:13161:13229:14096:14181:14721:14849:21080:21433:21451:21627:21939:30054:30056,0,RBL:error,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:26,LUA_SUMMARY:none X-HE-Tag: pot77_26a1d6e54bd5b X-Filterd-Recvd-Size: 3432 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf33.hostedemail.com (Postfix) with ESMTP for ; Sun, 1 Dec 2019 01:54:25 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8625C22464; Sun, 1 Dec 2019 01:54:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575165264; bh=gAuw9+tb0KYsz6wtfIc4f3j8CApzYBV8iwhMPVTAMRA=; h=Date:From:To:Subject:From; b=ZrgoLsS9l1nCqNqabha25B9E5FXAcBX758f57dNpJ0iSyQS0LinDr8LVgY/AHaMNj svyrpV5Cx+BFxKZTpae+dudiaYyyIJBFebRuPJcnJkak1JJMdKBXdq5GIMq6q1BrU1 aS+fXoGwEwDk3eE+frNBzitrtljWHBf9a4C4JnCo= Date: Sat, 30 Nov 2019 17:54:24 -0800 From: akpm@linux-foundation.org To: akpm@linux-foundation.org, david@redhat.com, gor@linux.ibm.com, heiko.carstens@de.ibm.com, iii@linux.ibm.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, OSalvador@suse.com, torvalds@linux-foundation.org Subject: [patch 085/158] mm/sparse.c: mark populate_section_memmap as __meminit Message-ID: <20191201015424.NWY-fe-8T%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Ilya Leoshkevich Subject: mm/sparse.c: mark populate_section_memmap as __meminit Building the kernel on s390 with -Og produces the following warning: WARNING: vmlinux.o(.text+0x28dabe): Section mismatch in reference from the function populate_section_memmap() to the function .meminit.text:__populate_section_memmap() The function populate_section_memmap() references the function __meminit __populate_section_memmap(). This is often because populate_section_memmap lacks a __meminit annotation or the annotation of __populate_section_memmap is wrong. While -Og is not supported, in theory this might still happen with another compiler or on another architecture. So fix this by using the correct section annotations. [iii@linux.ibm.com: v2] Link: http://lkml.kernel.org/r/20191030151639.41486-1-iii@linux.ibm.com Link: http://lkml.kernel.org/r/20191028165549.14478-1-iii@linux.ibm.com Signed-off-by: Ilya Leoshkevich Acked-by: David Hildenbrand Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Oscar Salvador Signed-off-by: Andrew Morton --- mm/sparse.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/sparse.c~mm-sparsec-mark-populate_section_memmap-as-__meminit +++ a/mm/sparse.c @@ -647,7 +647,7 @@ void offline_mem_sections(unsigned long #endif #ifdef CONFIG_SPARSEMEM_VMEMMAP -static struct page *populate_section_memmap(unsigned long pfn, +static struct page * __meminit populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap) { return __populate_section_memmap(pfn, nr_pages, nid, altmap); @@ -669,7 +669,7 @@ static void free_map_bootmem(struct page vmemmap_free(start, end, NULL); } #else -struct page *populate_section_memmap(unsigned long pfn, +struct page * __meminit populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap) { struct page *page, *ret;