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Howlett" , Nico Pache , Dev Jain , Barry Song , Lance Yang , Jonathan Corbet , Shuah Khan , Usama Arif Subject: Re: [PATCH v1] docs: filesystems: clarify KernelPageSize vs. MMUPageSize in smaps Message-ID: References: <20260304155636.77433-1-david@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260304155636.77433-1-david@kernel.org> X-Rspamd-Queue-Id: 6E71D40004 X-Stat-Signature: ezysz7xpg1yp641z1sny47esx46juqfd X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1772655774-664973 X-HE-Meta: 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 GV6BwDHc ruKDhadWNMChr3VlWRwON3pJsJx0qwi75sQCuFZkk8hnTBub8v4tkm37BIQ7At/+p4gBHXfcfN490ThytLHKMGl4Fygjvr8ydqDnmvvNN6H17B/7F5lVmxVwBw+nuExLlb7gQRU3ryY1hlDA012ZljHVCj9WQGlsyx3aHiJxIcDn/wxZ6jW92QK1/W2kGJs6HzDB1/Kc2GUITSoM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Mar 04, 2026 at 04:56:36PM +0100, David Hildenbrand (Arm) wrote: > There was recently some confusion around THPs and the interaction with > KernelPageSize / MMUPageSize. Historically, these entries always > correspond to the smallest size we could encounter, not any current > usage of transparent huge pages or larger sizes used by the MMU. It still seems like a bug to me, only documented now, but seems I'm in the minority on that. But anyways if you change this file you should probably remove the duplicated KernelPageSize/MMUPageSize entries in the example too. That triped me up the last time. -Andi