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[136.24.99.118]) by smtp.gmail.com with ESMTPSA id j7-20020a170902690700b001769cfa5cd4sm2372plk.49.2022.10.24.09.51.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Oct 2022 09:51:38 -0700 (PDT) Date: Mon, 24 Oct 2022 09:51:36 -0700 From: Dennis Zhou To: Baoquan He Cc: linux-kernel@vger.kernel.org, Tejun Heo , Christoph Lameter , Andrew Morton , linux-mm@kvack.org Subject: Re: [PATCH 1/8] mm/percpu: remove unused pcpu_map_extend_chunks Message-ID: References: <20221024081435.204970-1-bhe@redhat.com> <20221024081435.204970-2-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221024081435.204970-2-bhe@redhat.com> ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666630301; a=rsa-sha256; cv=none; b=t+X9LI4VAYiUABEtOR5lGHJNtkvYEK1fE2aTMwb9QqVb4QQv6Lzfv1MQos0A+hBUVQxuuH fYJJjL9Ip7KFPnGDenXM+uYjTS0Iz/ncnYTfKsUc8lT4itUG4Ub9buSX0sVVuVxLuZJuR7 8zajQQ87lM4i8m0AyDbbMdOfmCdEZVI= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=kernel.org (policy=none); spf=pass (imf18.hostedemail.com: domain of dennisszhou@gmail.com designates 209.85.215.180 as permitted sender) smtp.mailfrom=dennisszhou@gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666630301; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cQ1MvqKl8OJpbhgbIibjbk9PHInp1edXysudMf00tqg=; b=z/svNwWklyTxsTDRR/wCt3RS9iqx4t2isMghnMyORKdWt430/tmzOH4Qj9p0LgUGKg/nkq MNvt0D+zuG+1E5+w0g1MGTxgm+5RlhAyY4n1E6l1LmPZBrpyefs/k3xpZ1ppY0dKUT/bQ3 iLr99+RprqJ7vSDQcXqf4kpZ6G4QZIU= X-Rspam-User: Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=kernel.org (policy=none); spf=pass (imf18.hostedemail.com: domain of dennisszhou@gmail.com designates 209.85.215.180 as permitted sender) smtp.mailfrom=dennisszhou@gmail.com X-Rspamd-Server: rspam11 X-Stat-Signature: u53jr5mb3cuay7btzoy4agondsrnfi67 X-Rspamd-Queue-Id: 06D971C0004 X-HE-Tag: 1666630300-776060 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: On Mon, Oct 24, 2022 at 04:14:28PM +0800, Baoquan He wrote: > Since commit 40064aeca35c ("percpu: replace area map allocator with > bitmap"), it is unneeded. > > Signed-off-by: Baoquan He > --- > mm/percpu.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/mm/percpu.c b/mm/percpu.c > index 27697b2429c2..26d8cd2ca323 100644 > --- a/mm/percpu.c > +++ b/mm/percpu.c > @@ -174,9 +174,6 @@ static DEFINE_MUTEX(pcpu_alloc_mutex); /* chunk create/destroy, [de]pop, map ext > > struct list_head *pcpu_chunk_lists __ro_after_init; /* chunk list slots */ > > -/* chunks which need their map areas extended, protected by pcpu_lock */ > -static LIST_HEAD(pcpu_map_extend_chunks); > - > /* > * The number of empty populated pages, protected by pcpu_lock. > * The reserved chunk doesn't contribute to the count. > -- > 2.34.1 > > Acked-by: Dennis Zhou Thanks, Dennis