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Tue, 21 Nov 2023 00:30:11 -0800 (PST) MIME-Version: 1.0 References: <20231120091214.150502-1-sxwjean@me.com> <20231120091214.150502-2-sxwjean@me.com> In-Reply-To: <20231120091214.150502-2-sxwjean@me.com> From: Hyeonggon Yoo <42.hyeyoo@gmail.com> Date: Tue, 21 Nov 2023 17:30:00 +0900 Message-ID: Subject: Re: [PATCH 1/4] Documentation: kernel-parameters: remove slab_max_order To: sxwjean@me.com Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, vbabka@suse.cz, roman.gushchin@linux.dev, corbet@lwn.net, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 1EB1320020 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4yghod959myuurq7gsxm9b53e5x3ib1t X-HE-Tag: 1700555411-613034 X-HE-Meta: U2FsdGVkX1+1bHow7iezmJTAlNM2VqFvtg0Ojk8i0FJ6XclY+jEx6PLWpBsFM/96zk82CyYCzXgTSqubJ3KPy/mvwJ8DsxC8cyUloGhBTrhQ6yv6a2mFxpzKRDoIAei9x9j8vNZWypESe11P0667FoC/JGWOGt35+JxvpTRhL401nGhCuzN5kDW6JQ1r2rxmSUfj6vSLhcc/TIJtMDM245Bx3wJunhUQcbA+vR3nf5+ZNksCDTpGP9qNrKZv0sQ7/ZC2iAb2VCSraLTAAwVjI5PydzSdXFqGUy9vI1kmIYiYnDJtlAvC8vnkXTV7Bca7V1lbigSIqzFccnYHzvDSyf38Oz69pCiIoOwzk6+F1OZMtj2Tch4fpMss5EpxUg+rBELOUgZS76lMd49wEgpHJugokwaAjliqdKyoSf84WW5gWpWA510NCri+axCAFUN4h4vm4+12kC+wyia/oqzmsasb1XOVR8ZXs7gu+akpRexxrukV5LEFkVCX4yP75kiFTOkhbkXLfeBd2LYsEzrM7U8ixkNg3q0aG3SfGT8N8daUF7QNZdX2JOSLos9oiXC4Kd/Eooe+pb+ljMohVbNzrs5PTErMg2wAeNCY//zcfJdc5eNfarCU1E2WRweMFkvltTSWBQafhfkQq5oajVXyaSy2IvJNhQvUPU0yssLaKWtkejytKY19+D9sCcyngIxkjvbzWcBwZ0WsZWW+qdp9dpn16LkglnO9RzsFz2MOn8LR6oezAvkgQVuKBd70zB2JfBgK6rr5pupyFGzFlA2RC7hmZXIxIEoM3ePU71Fj7C9/O9UcGtPdk6mb9kRrqrjkS8oNJJOZS2T/owfY2vEYIAeoZnHUjaPg+DBC5e0+iV1e9p5PmiPULeEiNjmtNRTb/KS4Lc70SGMpUtBO1RdjqnJRlbY+6yWjZjNJA7M1wYWRM55w3v+dW4oOHn+oqMqqb3pO5RVW7SSYYDAe6lG g9VfYfjW 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, 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, Nov 20, 2023 at 6:12=E2=80=AFPM wrote: > > From: Xiongwei Song > > Since slab allocator has already been removed. There is no users about > it, so remove it. > > Signed-off-by: Xiongwei Song > --- > Documentation/admin-guide/kernel-parameters.txt | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentat= ion/admin-guide/kernel-parameters.txt > index 65731b060e3f..c7709a11f8ce 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -5887,12 +5887,6 @@ > own. > For more information see Documentation/mm/slub.rs= t. > > - slab_max_order=3D [MM, SLAB] > - Determines the maximum allowed order for slabs. > - A high setting may cause OOMs due to memory > - fragmentation. Defaults to 1 for systems with > - more than 32MB of RAM, 0 otherwise. > - Good catch! By the way I think noaliencache can be removed too in this patch together: > noaliencache [MM, NUMA, SLAB] Disables the allocation of alien > caches in the slab allocator. Saves per-node memor= y, > but will impact performance. Thanks, Hyeonggon