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(pv50p00im-dlb-asmtp-mailmevip.me.com [17.56.9.10]) by pv50p00im-ztdg10021901.me.com (Postfix) with ESMTPSA id 7E9028147F; Fri, 15 Dec 2023 03:42:23 +0000 (UTC) From: sxwjean@me.com To: vbabka@suse.cz, 42.hyeyoo@gmail.com, cl@linux.com, linux-mm@kvack.org Cc: penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, roman.gushchin@linux.dev, corbet@lwn.net, keescook@chromium.org, arnd@arndb.de, akpm@linux-foundation.org, gregkh@linuxfoundation.org, quic_jjohnson@quicinc.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Xiongwei Song Subject: [PATCH v4 0/4] supplement of slab allocator removal Date: Fri, 15 Dec 2023 11:41:46 +0800 Message-Id: <20231215034150.108783-1-sxwjean@me.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Proofpoint-GUID: Hvqg6Vbq3xfWygLtBS5A3hKzFx0w8b3O X-Proofpoint-ORIG-GUID: Hvqg6Vbq3xfWygLtBS5A3hKzFx0w8b3O X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-14_17,2023-12-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 spamscore=0 mlxscore=0 phishscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2308100000 definitions=main-2312150025 X-Rspamd-Queue-Id: 54632140012 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: 9y653pg4szxobbnb8y8wzhjbiyz9roug X-HE-Tag: 1702611751-147909 X-HE-Meta: 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 06Yzre7m p7i4yqp+Fq9ZRY3L+Gqi6/4jH7XJgRy78RScc6whQ1hLwURUF++tbCF1MQzt13WTxwrjxtVTfhQYCivZF1+4ceqIIOSkUcZscIk+m/6isdyof4EUv9kp4A9D05m/7ZhfLfZOIOBMV0W/1E+UVrMUj83zk6Ae6WlGTYRUiQ9kdURuDk76S/ySEUyHt6pUXkJGOWbkDJcBdH+9m8sa80ZsvB90dtnoe4sEdqYkG/YY6YiSrrf+ajAvpOLgvWbBIn9gL+iUXV24dwCnhqRZ02WRtXpbSsSClNMGaKmnnuFTkLpGmobZJOz6Nkv33OIvg+9IRS/Bxv62Y9fw7iY/yR/4Zg1qC46NOSfgY7/sMCIVdGGxlYuzDjtHJ9TwHb6QUmathGz5oPNTRPM87h1Me90VkEms4Gi49yACmjpNHRPrxOBQcWig= 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: List-Subscribe: List-Unsubscribe: From: Xiongwei Song Hi, Patch 1 is to remove an unused parameter. It has a longer history, please see the change history inside the patch. --- Patch 2 is to replace slub_$params with slab_$params. Vlastimil Babka pointed out we should use "slab_$param" as the primary prefix for long-term plan. Please see [1] for more information. I did the basic tests with qemu, which passed values by sl[au]b_max_order, sl[au]b_min_order, sl[au]b_min_objects and sl[au]b_debug in command line. The values looks correct by printing them out before calculating orders. --- Patch 3 is to replace slub_$params in Documentation/mm/slub.rst based on the changes of patch 2. --- Patch 4 is original patch 3. It is not related to slab allocator removal. It's to correct the description of default value of slab_min_objects in Documentation/mm/slub.rst. --- This series is based on [2]. --- CHANGES V4: - patch 1: Clean up typos. - patch 4: Make the description of slab_min_objects helpful. Refine the subject. V3: - patch 1: Collect Reviewed-by tag. Refine the commit message. - patch 2: Remove the changes for variables and functions. Resort slab_$params in doc. Refine the commit message. Remove RFC tag. - patch 3: Use slab_$params in slub.rst. - patch 4: It's original patch 3. Just resorted patch orders, no any other Changes. v2: https://lore.kernel.org/linux-mm/457899ac-baab-e976-44ec-dfdeb23be031@suse.cz/T/#t - patch 1: Collect Reviewed-by tag. - patch 3: Correct spelling mistakes in commit message. v1: https://lore.kernel.org/linux-mm/20231201031505.286117-1-sxwjean@me.com/ --- Regards, Xiongwei [1] https://lore.kernel.org/linux-mm/7512b350-4317-21a0-fab3-4101bc4d8f7a@suse.cz/ [2] https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git/log/?h=slab/for-next Xiongwei Song (4): Documentation: kernel-parameters: remove noaliencache mm/slub: unify all sl[au]b parameters with "slab_$param" mm/slub: replace slub_$params with slab_$params in slub.rst mm/slub: correct the default value of slub_min_objects in doc .../admin-guide/kernel-parameters.txt | 75 ++++++++----------- Documentation/mm/slub.rst | 60 +++++++-------- drivers/misc/lkdtm/heap.c | 2 +- mm/Kconfig.debug | 6 +- mm/slab.h | 2 +- mm/slab_common.c | 4 +- mm/slub.c | 41 +++++----- 7 files changed, 92 insertions(+), 98 deletions(-)