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Message-Id: <20250128161138.066f6c27d0d941609ba1c1c9@linux-foundation.org> Date: Tue, 28 Jan 2025 16:11:38 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Anthony Yznaga <anthony.yznaga@...cle.com> Cc: willy@...radead.org, markhemm@...glemail.com, viro@...iv.linux.org.uk, david@...hat.com, khalid@...nel.org, jthoughton@...gle.com, corbet@....net, dave.hansen@...el.com, kirill@...temov.name, luto@...nel.org, brauner@...nel.org, arnd@...db.de, ebiederm@...ssion.com, catalin.marinas@....com, mingo@...hat.com, peterz@...radead.org, liam.howlett@...cle.com, lorenzo.stoakes@...cle.com, vbabka@...e.cz, jannh@...gle.com, hannes@...xchg.org, mhocko@...nel.org, roman.gushchin@...ux.dev, shakeel.butt@...ux.dev, muchun.song@...ux.dev, tglx@...utronix.de, cgroups@...r.kernel.org, x86@...nel.org, linux-doc@...r.kernel.org, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, mhiramat@...nel.org, rostedt@...dmis.org, vasily.averin@...ux.dev, xhao@...ux.alibaba.com, pcc@...gle.com, neilb@...e.de, maz@...nel.org Subject: Re: [PATCH 00/20] Add support for shared PTEs across processes On Fri, 24 Jan 2025 15:54:34 -0800 Anthony Yznaga <anthony.yznaga@...cle.com> wrote: > Some of the field deployments commonly see memory pages shared > across 1000s of processes. On x86_64, each page requires a PTE that > is 8 bytes long which is very small compared to the 4K page > size. Dumb question: why aren't these applications using huge pages?
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