From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DBFF3312825; Tue, 21 Jul 2026 13:20:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784640058; cv=none; b=Wz8KeewSwrIznAEEY/ovCGxrd54HZ8lrBqCbaOvzjpPxmQ7E0F+nWAh+21IUQZYXz6/J0b5SUTdkiTucJAfNAoStprYJQRx1P+RVGVtFqHpiN07wij3xuyudCeiS2UDTDE/ffehoQjibMKF/Gr/rpPtOlJKhKHolLMct5Tb11qc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784640058; c=relaxed/simple; bh=Qsd/iV0LTTtzQEwQVap8TMPo80tV7h6XWHMl9agvM/E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=grBFPaNdLx7PQL0gncI0A8R3A5/dsmOk4HBDQaQ6rdS6mh1mYbAxKgpasH7or86lfYKSks4Nb8o6p/WakUsfh4FOyvhUmpsX0nqa7Hdk7REpz9sH51Bv92wbmZ3EC+uTqj5orollLRz19w8RJ+CaIHJsGupAzKM1yXTNKnJxKhc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BdhXKy2N; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BdhXKy2N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B2571F000E9; Tue, 21 Jul 2026 13:20:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784640057; bh=ZPNMI+hROZ6ghG2BtxRn6B+jqp/do2+I14JMu7ZMFqE=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=BdhXKy2Nmb2vTapC6oT3qTmTRp4P2Z0MN2oL7Wgkt+Cm5plqDd9SDUS0urWp/X9vw arI2o5qxppIsUdgULuB1Af5yVzZhQpBmlonNTuOLxNOrP7XDuCbId8sbJrg4/9Np8b eodGUEyQx0aEVPW5ZxOukLNS7uTHvH0gHuKmMVFxRHWPMtaU3lOZb5MwEUEnPLFzqf upROZe4MOpdcPtwgWU/kZGLT9ZAI+Y+Pcmz4gcd/iNh/3kIdYGuRZdHn76NI2Lj3x3 KG+O3vvwSnbuzoqyP2q7HcKjzfL19ZgOfuryPIhgsdi6FPfyWpmBL59YQWBHVmw+QC +lqZprpl3KcdQ== Message-ID: Date: Tue, 21 Jul 2026 15:20:52 +0200 Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 05/12] mm/slab: abstract slabobj_ext.objcg access Content-Language: en-US To: Ye Liu , Omar Sandoval Cc: Harry Yoo , Suren Baghdasaryan , Roman Gushchin , Hao Li , Shakeel Butt , Alexander Potapenko , Marco Elver , Andrew Morton , Christoph Lameter , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Stephen Brennan , SeongJae Park References: <20260715-b4-objext_split-v1-0-9a49c4ccf4c3@kernel.org> <20260715-b4-objext_split-v1-5-9a49c4ccf4c3@kernel.org> <976e4d7b-24d6-4047-a405-e86c2feb45d3@kernel.org> <1784596208654455.18988.seg@mailgw.kylinos.cn> <8f3a6021-0ef0-4ecc-bbe0-0be1c3c6834d@linux.dev> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSNWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBrZXJuZWwub3JnPsLBsAQTAQoAWhYhBKlA1DSZLC6OmRA9UCJPp+fM gqZkBQJqFFy6GxSAAAAAAAQADm1hbnUyLDIuNSsxLjEyLDIsMgIbAwUJGtCBUAULCQgHAwUV CgkICwUWAgMBAAIeBQIXgAAKCRAiT6fnzIKmZJIUEADFx/tREzUImHrEwVHeSvDFmA7tJysI UVrlvrM09E7GIuzphzv7jYmo8n3ANpCczLEVr4G0syYQdTigaZgv3+FQDIIzhKih1IHhu1Ei XHlywNWKnQxxQEUNi5Mwx43wQz5XVw9F1A7gtKBKNtfogO511hAbrzagrYajyQacEJ/+sfhZ 9Da8ltHIXD8pcYaHUfQgEusCgmEd9+KrUwrTbckFKmYq5chuE6yJ4J0EmWknL096jIE6CnzF FRslQ3B1UKDjxVsm1ZHfir5NeWszLkTvGFsddFaWTgh8UycESG6VQzKXjjewXu2pG7YQYRpj QKm1W5X2TkwWkXRBZTmfmbhxIUMh3+zf5wQ463rSmDN/8v81tdqBtAW6rH/kzg1GvkaTHXn0 507yEHFzBksk2viAuIxxr7km8+/KARYLIdGtx30EG8cKzAUZOK6WqxtNCsXUJNrVE8CWrCaD icoNu7Fs1c5hmPHdSTnU48ce67449DdnO4neLSNhRiGlMHJgfJUmgrxu/hcYeOZ3haWmEQ2w uW1Mh01OHi8QZHCEyAbABrPs9GUgccc/4eYXX9hIgxfSkYzn8f+8NuIFPWl/0uTvjgqU29FQ SbzOLxHq9439Ox40G5mS5eZXRGxITYR+6TXvRGI6P/264jvflnr/pDGUttaikU+0W+1uxgKH cmYbEc7ATQRbGTU1AQgAn0H6UrFiWcovkh6EXVcl+SeqyO6JHOPm+e9Wu0Vw+VIUvXZVUVVQ La1PQDUi6j00ChlcR66g9/V0sPIcSutacPKfdKYOBvzd4rlhL8rfrdEsQw5ApZxrA8kYZVMh FmBRKAa6wos25moTlMKpCWzTH84+WO5+ziCTsTUZASAToz3RdunTD+vQcHj0GqNTPAHK63sf bAB2I0BslZkXkY1RLb/YhuA6E7JyEd2pilZOrIuBGl/5q2qSakgnAVFWFBR/DO27JuAksYnq +aH8vI0xGvwn75KqSk4UzAkDzWSmO4ZHuahKtQgZNsMYV+PGayRBX9b9zbldzopoLBdqHc4n jQARAQABwsF8BBgBCgAmAhsMFiEEqUDUNJksLo6ZED1QIk+n58yCpmQFAmfIHFQFCRYU6J8A CgkQIk+n58yCpmS2PA//bqN1LfcotmArgElsa+0EGZSQlYgK48pm8WAeTXTngudP9IJ4SuKY HR5RNjHcBeqN+Me0zxRqYzRb8nGanHEkDyf4Im8DQM8d6vbyU+FcPmG4skud4kgS1zMHnlVd SXfSIwKC/hKgdHG8aBV7545Lz9X6Iohea+94wneD0aw/hqF+QWewGZhWJriWAZtvEkzNjQOi 4U9F/trLten/x7bpphDSnDMKJtITbtzATT1Dq7o7VpIUK1nCTQALMuMjKCdi8OdU/+V+R3O4 0PXWvX8qrvqYapVbZ+9KqT74FsuB0Ya9uXwgBF2Q6cRuETZk5vqaqKxzqoQZCO8AOz/58j6O 2RHNy/mZEN+7tJ5Tsq42zVJ4jxsT8b9YplavCMsnBgDeRWhcbYhCyttoL7nYISyWg4kQYZ/P wIV3OuNv2f8iKYsxNsRuClOAF82+gvqOy1/1pprFjy8uo2pkoOrb63aOP3vO5VHnRKgra6dq NcaZ+c6J4H+nEJGi2SkHAUJz5oBzuThvPudLvPA/SK8sKoM01IRxSihev/S/5WLazXB1PGem OCbvzC1IjWJJraxiDJ5IygokapUa2RP7+WBR22skQ3SSl6G107QgWKSyTOGWEaRmV53vxQLV jXuCmzSSasTL60zq5yGrT4/DYQVSNEUiUbG4pYekxJujNeEDkUlky0Y= In-Reply-To: <8f3a6021-0ef0-4ecc-bbe0-0be1c3c6834d@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 7/21/26 04:00, Ye Liu wrote: > > 在 2026/7/21 03:58, Omar Sandoval 写道: >> On Fri, Jul 17, 2026 at 12:00:29PM +0200, Vlastimil Babka (SUSE) wrote: >>> On 7/15/26 12:10, Vlastimil Babka (SUSE) wrote: >> FWIW, if these scripts were in the drgn repo with test cases, these >> breakages would be caught by our CI and someone (usually me) would fix >> them up promptly :) > > When I first used the drgn tool, I noticed that some scripts were directly       > merged into the kernel repository, so I merged show_page_info.py into the kernel > repository as well. Later, I found that merging into the drgn repository was     > also a good option, so I merged it into the drgn repository as well,             > and maintain it there. Therefore, I currently use show_page_info.py regularly    > and update it promptly if I find any issues.                                     Seems we could remove the in-kernel version then? Besides better regression testing, I'd assume the scripts in drgn repository can also handle ranges of kernel versions and not the single one as of the given kernel commit (and often not really due to undiscovered breakages) which IMHO is much for useful for using these scripts and tools.