From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 514962AF1D; Wed, 6 Aug 2025 16:20:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754497229; cv=none; b=QK+1SmKuM/XRpvpevAp7bsMQFucjEsBIbZkI6BsbizdS/bG9PbL3Ny45y6n90FwIcZx+cgQ2JI0Gum4mxNmQZeNAt3xkwLxKB/K9K609vqgzZ1wLohx9ecupi6EgJUHPAeYzB64P0ufKCKfkSdugONedWv8gMMysnYfMr2d/Rro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754497229; c=relaxed/simple; bh=YzNUeRz+7NioewNCFAm3H45FqF6Pb+PeV+gi/hYZbgY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IgjrFVPiXmXkwX1DDuoka+JrV+zsCqApQt3sdNi+JbZ6tjztvRDXZA+y4bz3DmUFi6O+5+9T0Yv7OPcDIJFQnesEghvGahTAmRSVJwdX/PVrR5Q7qvoAxQL/SoEr4JCBLTga0sIsSWQzKvqO2ifM5F4pqTW+9ncwZ9FtQqE5o9s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jDUMjS94; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jDUMjS94" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4CC0C4CEE7; Wed, 6 Aug 2025 16:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754497228; bh=YzNUeRz+7NioewNCFAm3H45FqF6Pb+PeV+gi/hYZbgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jDUMjS94sgJQAZ5W00DgCyGrAW6+Trt3W/gI1nOMamwgPl56P6wr8/GVQ1HFmmZjH 6/LQJm5zFpFitXGcP64l/kDbGqCyCSIbTdHXJJz0FA6rwLO1OhMpTVBjWd26RbU1Qa 20wai22oS/gPJVFvG89ocT6IJ0oI05qIrHKdXFnYqaZOF5QRTaJkWdRZ5hj1fa89hp u5Wz+zXci6GN9FOdsLo/Qh5CN3RzSoQbUJ69nL82LVeJvGpzQCVq/M1Rs1RsA8+bfM L/V1FCago4T+cQ7LdEkoCb3ZvWVNk9Kms5F/YItBmwN2rwQlHcB0yKEZgN3e3B1rty wJ6bribMzvyPA== From: SeongJae Park To: Suren Baghdasaryan Cc: SeongJae Park , akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, david@redhat.com, vbabka@suse.cz, peterx@redhat.com, jannh@google.com, hannes@cmpxchg.org, mhocko@kernel.org, paulmck@kernel.org, shuah@kernel.org, adobriyan@gmail.com, brauner@kernel.org, josef@toxicpanda.com, yebin10@huawei.com, linux@weissschuh.net, willy@infradead.org, osalvador@suse.de, andrii@kernel.org, ryan.roberts@arm.com, christophe.leroy@csgroup.eu, tjmercier@google.com, kaleshsingh@google.com, aha310510@gmail.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY Date: Wed, 6 Aug 2025 09:20:25 -0700 Message-Id: <20250806162025.82266-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250806155905.824388-3-surenb@google.com> References: Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, 6 Aug 2025 08:59:03 -0700 Suren Baghdasaryan wrote: > Refactor struct proc_maps_private so that the fields used by PROCMAP_QUERY > ioctl are moved into a separate structure. In the next patch this allows > ioctl to reuse some of the functions used for reading /proc/pid/maps > without using file->private_data. This prevents concurrent modification > of file->private_data members by ioctl and /proc/pid/maps readers. > > The change is pure code refactoring and has no functional changes. > > Signed-off-by: Suren Baghdasaryan > Reviewed-by: Vlastimil Babka Acked-by: SeongJae Park Thanks, SJ [...]