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Thu, 08 Jun 2023 04:51:40 -0700 (PDT) MIME-Version: 1.0 References: <20230605221035.3681812-1-linus.walleij@linaro.org> In-Reply-To: From: Linus Walleij Date: Thu, 8 Jun 2023 13:51:28 +0200 Message-ID: Subject: Re: [PATCH] Documentation/mm: Initial page table documentation To: =?UTF-8?B?S3Vhbi1ZaW5nIExlZSAo5p2O5Yag56mOKQ==?= Cc: "corbet@lwn.net" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "rppt@kernel.org" , "linux-doc@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 906FE1C0020 X-Stat-Signature: bsru8jtez1foyn3ghpgjggab4x3opsrg X-Rspam-User: X-HE-Tag: 1686225101-988392 X-HE-Meta: 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 teAZRdbX AirPDg4nLr4T6x4IUoWoOjMMpaxkIWSyhCOJHStY9HFzKF0OWgZ7c8oCrWv+IXUBjw3VUvaTnS1GDb+3TxMnq5mnt8ejaYB5J3oX4QmWrv8OvvZoY5hf8MuvzmCFhWmNDZznMgQdxYXZrGKCQXheFKvEVqrFRtaAdCwTlt6n0SPQAWndwXjDJgbwvSYFopEEoz9DHiDW33huV9wjWcXDogcLDjIVDRPla34LhZUrot0fcB8jl2H3OgkOD+55vG/Ora1z3zHCOLsyS8k2p/ZTdpGyh8E+ixkK4k0NfNOBdGhxZKDScwaHX+5OpLwY4tL71mL7L X-Bogosity: Ham, tests=bogofilter, spamicity=0.000012, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jun 8, 2023 at 11:32=E2=80=AFAM Kuan-Ying Lee (=E6=9D=8E=E5=86=A0= =E7=A9=8E) wrote: > > +With a page granularity of 4KB and a address range of 32 bits, pfn 0 > > is at > > +address 0x00000000, pfn 1 is at address 0x00004000, pfn 2 is at > > 0x00008000 > > +and so on until we reach pfn 0x3ffff at 0xffffc000. > > pfn 1 is at 0x00001000. > pfn 2 is at 0x00002000. > > And so on until we reach pfn 0xfffff at 0xfffff000. It seems I went immediately for 16K pages... Thanks, I'll fix it up. Yours, Linus Walleij