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[2a0a:51c0:0:12e:550::1]) by mx.google.com with ESMTPS id e11si4676189wrt.289.2019.07.11.01.23.18 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 11 Jul 2019 01:23:18 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a0a:51c0:0:12e:550::1 as permitted sender) client-ip=2a0a:51c0:0:12e:550::1; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of tglx@linutronix.de designates 2a0a:51c0:0:12e:550::1 as permitted sender) smtp.mailfrom=tglx@linutronix.de Received: from [5.158.153.55] (helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hlUMG-0001Fh-2N; Thu, 11 Jul 2019 10:23:16 +0200 Date: Thu, 11 Jul 2019 10:23:10 +0200 (CEST) From: Thomas Gleixner To: Christopher Lameter cc: Nicholas Piggin , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org Subject: Re: [RFC PATCH] mm: remove quicklist page table caches In-Reply-To: <0100016be006fbda-65d42038-d656-4d74-8b50-9c800afe4f96-000000@email.amazonses.com> Message-ID: References: <20190711030339.20892-1-npiggin@gmail.com> <0100016be006fbda-65d42038-d656-4d74-8b50-9c800afe4f96-000000@email.amazonses.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 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 Thu, 11 Jul 2019, Christopher Lameter wrote: > On Thu, 11 Jul 2019, Nicholas Piggin wrote: > > > Remove page table allocator "quicklists". These have been around for a > > long time, but have not got much traction in the last decade and are > > only used on ia64 and sh architectures. > > I also think its good to remove this code. Note sure though if IA64 > may still have a need of it. But then its not clear that the IA64 arch is > still in use. Is it still maintained? It's kept alive