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[99.254.121.117]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-43fb16b97b5sm33974641cf.18.2024.05.27.07.14.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 May 2024 07:14:08 -0700 (PDT) Date: Mon, 27 May 2024 10:14:06 -0400 From: Peter Xu To: Michael Ellerman Cc: Christophe Leroy , Andrew Morton , Jason Gunthorpe , Oscar Salvador , Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [RFC PATCH v2 00/20] Reimplement huge pages without hugepd on powerpc (8xx, e500, book3s/64) Message-ID: References: <87jzjj4y0t.fsf@mail.lhotse> MIME-Version: 1.0 In-Reply-To: <87jzjj4y0t.fsf@mail.lhotse> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspamd-Queue-Id: D96E914000D X-Stat-Signature: c3acqu8mzptq5adgrsuj91qqz8rgmudn X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1716819252-571497 X-HE-Meta: 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 vg/GtXIN gxloZ0rriXK3okCj5qepDaGLivyTuY4WHGa8fHM44XBr190/nMjTZJ/phW0FPitdHhm5YyWjc76SjYzUVom+kJ+CBRBQHK7y4B5Hqpprp4kVoQk7m8YPzwQV5oFktduwTgOtfoZmVYN8eSkEyxo3NI6teg6ms/T105RAi3jYyRGFUE0ZM2uOYhvOK3aO12SCbT+D8uOGhBe/A3tB3M3zfjs8q1px0SmiwgLO4XPTuvKQHQpLCYSQhctL9z4FqBsEcynJh5SykEeGxh83U2fkXSx1nvikmlcdx9ABrIx6zUEWPjqamcTfxVay3As6dJF2b552MRU4Jg1sDeFxuQL6zmfGrVFtbflyspEMWQxf2NGsRJ3HVNtsuix94rRtxAZwRBjGr8WUHYNVyW3xYNehaf/uGpQ== 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: List-Subscribe: List-Unsubscribe: On Fri, May 24, 2024 at 02:46:58PM +1000, Michael Ellerman wrote: > Christophe is a powerpc developer :) Yes, definitely. :) > > I'll help where I can, but I don't know the hugepd code that well, I've > never really worked on it before. Nick will hopefully also be able to > help, he at least knows mm better than me, but he also has other work. > > Hopefully we can make this series work, and replace hugepd. But if we > can't make that work then there is the possibility of just dropping > support for 16M/16G pages with HPT/4K pages. Great, thank you! -- Peter Xu