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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5492CC46477 for ; Mon, 17 Jun 2019 07:17:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3323A21954 for ; Mon, 17 Jun 2019 07:17:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726250AbfFQHRi (ORCPT ); Mon, 17 Jun 2019 03:17:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55316 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725826AbfFQHRi (ORCPT ); Mon, 17 Jun 2019 03:17:38 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5F3F730833C1; Mon, 17 Jun 2019 07:17:24 +0000 (UTC) Received: from [10.36.116.141] (ovpn-116-141.ams2.redhat.com [10.36.116.141]) by smtp.corp.redhat.com (Postfix) with ESMTP id DDFD117F70; Mon, 17 Jun 2019 07:17:11 +0000 (UTC) Subject: Re: [PATCH 3/5] mm: Don't manually decrement num_poisoned_pages To: Alastair D'Silva , alastair@d-silva.org Cc: Andrew Morton , Oscar Salvador , Michal Hocko , Pavel Tatashin , Wei Yang , Arun KS , Qian Cai , Thomas Gleixner , Ingo Molnar , Josh Poimboeuf , Konrad Rzeszutek Wilk , Peter Zijlstra , Jiri Kosina , Mukesh Ojha , Mike Rapoport , Baoquan He , Logan Gunthorpe , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20190617043635.13201-1-alastair@au1.ibm.com> <20190617043635.13201-4-alastair@au1.ibm.com> From: David Hildenbrand Openpgp: preference=signencrypt Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190617043635.13201-4-alastair@au1.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Mon, 17 Jun 2019 07:17:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17.06.19 06:36, Alastair D'Silva wrote: > From: Alastair D'Silva > > Use the function written to do it instead. > > Signed-off-by: Alastair D'Silva > --- > mm/sparse.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/mm/sparse.c b/mm/sparse.c > index 66a99da9b11b..e2402937efe4 100644 > --- a/mm/sparse.c > +++ b/mm/sparse.c > @@ -11,6 +11,8 @@ > #include > #include > #include > +#include > +#include > > #include "internal.h" > #include > @@ -771,7 +773,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, > > for (i = map_offset; i < nr_pages; i++) { > if (PageHWPoison(&memmap[i])) { > - atomic_long_sub(1, &num_poisoned_pages); > + num_poisoned_pages_dec(); > ClearPageHWPoison(&memmap[i]); > } > } > Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb