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[209.85.208.181]) by smtp.gmail.com with ESMTPSA id b25sm10210171ljj.36.2019.10.23.03.26.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Oct 2019 03:26:11 -0700 (PDT) Received: by mail-lj1-f181.google.com with SMTP id j19so20496851lja.1 for ; Wed, 23 Oct 2019 03:26:06 -0700 (PDT) X-Received: by 2002:a2e:29dd:: with SMTP id p90mr21979653ljp.26.1571826364626; Wed, 23 Oct 2019 03:26:04 -0700 (PDT) MIME-Version: 1.0 References: <1571822941-29776-1-git-send-email-rppt@kernel.org> In-Reply-To: <1571822941-29776-1-git-send-email-rppt@kernel.org> From: Linus Torvalds Date: Wed, 23 Oct 2019 06:25:48 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 00/12] mm: remove __ARCH_HAS_4LEVEL_HACK To: Mike Rapoport Cc: Linux-MM , Andrew Morton , Anton Ivanov , Arnd Bergmann , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Helge Deller , "James E.J. Bottomley" , Jeff Dike , "Kirill A. Shutemov" , Mark Salter , Matt Turner , Michal Simek , Richard Weinberger , Russell King , Sam Creasey , Vincent Chen , Vineet Gupta , alpha , linux-arch , Linux ARM , linux-c6x-dev@linux-c6x.org, Linux Kernel Mailing List , linux-m68k , linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, sparclinux@vger.kernel.org, Mike Rapoport Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 23, 2019 at 5:29 AM Mike Rapoport wrote: > > These patches convert several architectures to use page table folding and > remove __ARCH_HAS_4LEVEL_HACK along with include/asm-generic/4level-fixup.h. Thanks for doing this. The patches look sane from a quick scan, and it's definitely the right thing to do. So ack on my part, but obviously testing the different architectures would be a really good thing... Linus