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Tue, 23 Aug 2022 18:02:59 +0000 Received: from offworld (unknown [104.36.31.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dave@stgolabs.net) by pdx1-sub0-mail-a212.dreamhost.com (Postfix) with ESMTPSA id 4MBxsV208vz1PZ; Tue, 23 Aug 2022 11:02:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=stgolabs.net; s=dreamhost; t=1661277774; bh=3YD8UxhoVF/0CdPFuuWxAVwema5lF831lGxRQpQLviU=; h=Date:From:To:Cc:Subject:Content-Type; b=dm4tTMhqjgm+Qp5pgxAZLTdXJKdLu6mY8mIPx+RBSiU1bEPQlqeLkHoiYcM8df0a0 OlIzzNOdxe2ZhZVEgkjcWJDHqv28283A8/VwJ/KUBTz8qE2MiHFGUiUaFJSbe129Qf bYSR3OfjP/kUi53ck3AEf0DuTvxgB6B47x1E8l8UYnqdt9mk1+DA1m716YnEU9dypN 4W18xAMKwPQV9tV/Kq223SqH2RRD4AlXt+m1NphwDdDceUeWu07GVMLsf0a6rXpCi7 48tD/1LBlhPhOkrPCT0xTaxsruFL9RbDDmbm/6tDYAB0gBgpkq87j6ffRC/N48PdLh KBTDFLjqkq89g== Date: Tue, 23 Aug 2022 10:44:51 -0700 From: Davidlohr Bueso To: Liam Howlett Cc: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton , "Matthew Wilcox (Oracle)" , Vlastimil Babka Subject: Re: [PATCH v13 47/70] perf: use VMA iterator Message-ID: <20220823174451.lgdxhow6fkrdorva@offworld> Mail-Followup-To: Liam Howlett , "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton , "Matthew Wilcox (Oracle)" , Vlastimil Babka References: <20220822150128.1562046-1-Liam.Howlett@oracle.com> <20220822150128.1562046-48-Liam.Howlett@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; 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dmarc=none ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1661277787; a=rsa-sha256; cv=pass; b=5394g0zyQiQbZQ6sQ1P3sP0XRvCdyAzwHqyPqqig2XkjnqK4LZLJ8YhEjh5YHg/os3nyl/ FUx1gXDhMRrKecGrf4oLwjPlf1zLOntFN/nmYqM56CXOL5Ycazt0TlMla3Tz5tlODDesDb MiwKQmDUGJh9nq01JUklwZQHT3hfadw= X-Stat-Signature: sjrexba6sriajehw9he68gq6rbfqzpux X-Rspamd-Queue-Id: EBF571A0015 X-Rspam-User: Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=stgolabs.net header.s=dreamhost header.b=dm4tTMhq; spf=pass (imf19.hostedemail.com: domain of dave@stgolabs.net designates 23.83.212.17 as permitted sender) smtp.mailfrom=dave@stgolabs.net; arc=pass ("mailchannels.net:s=arc-2022:i=1"); dmarc=none X-Rspamd-Server: rspam01 X-HE-Tag: 1661277786-172729 X-Bogosity: Ham, tests=bogofilter, spamicity=0.132828, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 22 Aug 2022, Liam Howlett wrote: >From: "Matthew Wilcox (Oracle)" > >The VMA iterator is faster than the linked list and removing the linked >list will shrink the vm_area_struct. > >Signed-off-by: Matthew Wilcox (Oracle) >Signed-off-by: Liam R. Howlett >Acked-by: Vlastimil Babka Reviewed-by: Davidlohr Bueso