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Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH v1 0/2] Report on physically contiguous memory in smaps To: Yu Zhao Cc: Jonathan Corbet , Andrew Morton , "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20230613160950.3554675-1-ryan.roberts@arm.com> From: Ryan Roberts In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 8uxoidg3u77pgfoswx8u3cgwmupas6jz X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 1553E8001D X-Rspam-User: X-HE-Tag: 1686739295-317003 X-HE-Meta: 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 Dmy5oLqO Neca4pzCF3qeAiQb2cWjHdZyMIRTj+v4KZ0zXRtabGCcoYStW+aomIsKlRJLxSRn17DcM541GIbwRrikqykS37b48SgYK6ISyqRF1VcVkbhx5xy6s7/XY8JYy0WUqOromXING 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 13/06/2023 19:44, Yu Zhao wrote: > On Tue, Jun 13, 2023 at 05:09:48PM +0100, Ryan Roberts wrote: >> Hi All, >> >> I thought I would try my luck with this pair of patches... > > Ack on the idea. > > Actually I have a script to do just this, but it's based on pagemap (attaching the script at the end). I did consider that approach, but it was much more code to write the script than to modify smaps ;-). Longer term, I think it would be good to have it in smaps because its more accessible. For the contpte case we would need to add a bit to every pagemap entry to express that. I'm not sure how palletable that would be for a arch-specific thing? Thanks for the script anyway!