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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 27 Aug 2019 06:37:17 +0100 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x7R5bGdc59703372 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Aug 2019 05:37:16 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 91858A405C; Tue, 27 Aug 2019 05:37:16 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3EDFDA405F; Tue, 27 Aug 2019 05:37:16 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 27 Aug 2019 05:37:16 +0000 (GMT) Received: from adsilva.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id 63EB5A0279; Tue, 27 Aug 2019 15:37:14 +1000 (AEST) From: "Alastair D'Silva" To: alastair@d-silva.org Cc: Andrew Morton , Oscar Salvador , Michal Hocko , Dan Williams , Mike Rapoport , David Hildenbrand , Wei Yang , Qian Cai , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] mm: Don't manually decrement num_poisoned_pages Date: Tue, 27 Aug 2019 15:36:54 +1000 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190827053656.32191-1-alastair@au1.ibm.com> References: <20190827053656.32191-1-alastair@au1.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19082705-0028-0000-0000-000003945B8A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19082705-0029-0000-0000-000024569280 Message-Id: <20190827053656.32191-2-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-26_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=782 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908270062 Content-Transfer-Encoding: quoted-printable 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: 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 72f010d9bff5..e41917a7e844 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -11,6 +11,8 @@ #include #include #include +#include +#include =20 #include "internal.h" #include @@ -898,7 +900,7 @@ static void clear_hwpoisoned_pages(struct page *memma= p, int nr_pages) =20 for (i =3D 0; i < nr_pages; i++) { if (PageHWPoison(&memmap[i])) { - atomic_long_sub(1, &num_poisoned_pages); + num_poisoned_pages_dec(); ClearPageHWPoison(&memmap[i]); } } --=20 2.21.0