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bh=aWDu0wdaNGNHbr/t7iwUocZHZ6ZgfnT9uKvdgixjfdY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UGwSk8wL2riXMuWuBnlUl7O+iT+PFvFShfCysKnXOCyk6Ycfm91eqtfzDdk4wvXiI GVuywTxIzOI0LekcAiyaReMbhcMBdxqB2cuDsp0d8dpTMjg++wL9NBbmcMLR9lT8sG BIyOO9Mwky5wKwqH4NXQXDDSkn0abE8BM5DxziDpRdAPVP4EGkRxaRjyN2cWepqKRd qtPqEqQnwfovGDdzgaOAQITRO6sHtFku06kuh/WUPaUcfAmDrJ41ltdBnbKQ6ykVQX /DUUjj28KB4iLxu6Qhp0A99a2IByB7kmYjUUUHBXKp3HIQ5skpnHB024gOo9C23zkv FsvVXRcLAJ8Rw== Date: Sat, 11 Feb 2023 14:39:49 +0200 From: Mike Rapoport To: Bagas Sanjaya Cc: Jonathan Corbet , Andrew Morton , David Hildenbrand , Johannes Weiner , Lorenzo Stoakes , "Matthew Wilcox (Oracle)" , Mel Gorman , Michal Hocko , Vlastimil Babka , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] docs/mm: Physical Memory: add example of interleaving nodes Message-ID: References: <20230211102207.1267058-1-rppt@kernel.org> <330367aa-6d34-2341-9d24-5f2e09aecfdf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <330367aa-6d34-2341-9d24-5f2e09aecfdf@gmail.com> X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 701CD180015 X-Rspam-User: X-Stat-Signature: 5cfqubr54funuzgf1e8wcn9xziqkm68e X-HE-Tag: 1676119207-524864 X-HE-Meta: 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 pUZljR4e 0WTo6H3MXMsR511oofYnFpwsu4khDgYUCkD9oAT2ueZhgDAHh6lFFwu8H2LY/b1q44HhAabDZmvAiX+Hdz8n1KGAzH8F5t4QwFhJ3HrrgOW1htYZ2Lb/KzkZDDzsfKimxo2dijHqCYVvZJTrRSiT6JaTwPmTpz8yBQlyXmVehOyObGPiPXNH8Fw3Xy5jV3TPvF97f10t7gayy+0DY06qrLbHWMnVlzJAMmur1QgRkJZHxvBx0lTucvcFFAWTYlXSZpiibBxONY60UECheKdTtUV62/sxxY2wOU3Qj9YXm6C9gl54ucDEjCUeb1A== 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: On Sat, Feb 11, 2023 at 07:31:18PM +0700, Bagas Sanjaya wrote: > On 2/11/23 17:22, Mike Rapoport wrote: > > +Note, that memory banks may belong to interleaving nodes. In the example > > +below an x86 machine has 16Gbytes or RAM in 4 memory banks, even banks > > +belong to node 0 and odd banks belong to node 1:: > > + > > + > > + 0 4G 8G 12G 16G > > + +-------------+ +-------------+ +-------------+ +-------------+ > > + | node 0 | | node 1 | | node 0 | | node 1 | > > + +-------------+ +-------------+ +-------------+ +-------------+ > > + > > + 0 16M 4G > > + +-----+-------+ +-------------+ +-------------+ +-------------+ > > + | DMA | DMA32 | | NORMAL | | NORMAL | | NORMAL | > > + +-----+-------+ +-------------+ +-------------+ +-------------+ > > + > > +In such case node 0 will span from 0 to 12 Gbytes and node 1 will span from > > +4 Gbytes to 16 Gbytes. > > + > > What about "... and node 1 will span from 4 to 16 Gbytes"? Sure. > -- > An old man doll... just what I always wanted! - Clara > -- Sincerely yours, Mike.