linux-kernel - Re: [PATCH 2/3] tools/testing: add PROCMAP_QUERY helper functions in mm self tests

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Message-ID: <20250407024215.pgxvxaikate765yi@master>
Date: Mon, 7 Apr 2025 02:42:15 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Vlastimil Babka <vbabka@...e.cz>, Jann Horn <jannh@...gle.com>,
	"Liam R . Howlett" <Liam.Howlett@...cle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	David Hildenbrand <david@...hat.com>,
	Matthew Wilcox <willy@...radead.org>,
	Rik van Riel <riel@...riel.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] tools/testing: add PROCMAP_QUERY helper functions in
 mm self tests

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 <lorenzo.stoakes@...cle.com>

Reviewed-by: Wei Yang <richard.weiyang@...il.com>