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Sun, 06 Apr 2025 19:42:15 -0700 (PDT) Date: Mon, 7 Apr 2025 02:42:15 +0000 From: Wei Yang To: Lorenzo Stoakes Cc: Andrew Morton , Vlastimil Babka , Jann Horn , "Liam R . Howlett" , Suren Baghdasaryan , David Hildenbrand , Matthew Wilcox , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] tools/testing: add PROCMAP_QUERY helper functions in mm self tests Message-ID: <20250407024215.pgxvxaikate765yi@master> Reply-To: Wei Yang References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) X-Rspamd-Queue-Id: BAFB91C0002 X-Stat-Signature: rrzy67bik3zscexxjjew386mi54hxdbn X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1743993737-620639 X-HE-Meta: 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 9pAj8Lx5 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.188379, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 17, 2025 at 09:15:04PM +0000, Lorenzo Stoakes wrote: >The PROCMAP_QUERY ioctl() is very useful - it allows for binary access to >/proc/$pid/[s]maps data and thus convenient lookup of data contained there. > >This patch exposes this for convenient use by mm self tests so the state of >VMAs can easily be queried. > >Signed-off-by: Lorenzo Stoakes Reviewed-by: Wei Yang