> -----Original Message----- > From: owner-linux-mm@xxxxxxxxx <owner-linux-mm@xxxxxxxxx> On Behalf Of Hyeonggon > Yoo > Sent: Tuesday, November 21, 2023 4:30 PM > To: sxwjean@xxxxxx > Cc: cl@xxxxxxxxx; penberg@xxxxxxxxxx; rientjes@xxxxxxxxxx; iamjoonsoo.kim@xxxxxxx; > vbabka@xxxxxxx; roman.gushchin@xxxxxxxxx; corbet@xxxxxxx; linux-mm@xxxxxxxxx; linux- > doc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 1/4] Documentation: kernel-parameters: remove slab_max_order > > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the > content is safe. > > On Mon, Nov 20, 2023 at 6:12 PM <sxwjean@xxxxxx> wrote: > > > > From: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx> > > > > Since slab allocator has already been removed. There is no users about > > it, so remove it. > > > > Signed-off-by: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx> > > --- > > Documentation/admin-guide/kernel-parameters.txt | 6 ------ > > 1 file changed, 6 deletions(-) > > > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/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.rst. > > > > - slab_max_order= [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: Thanks Hyeonggon. Will do that. Regards, Xiongwei > > noaliencache [MM, NUMA, SLAB] Disables the allocation of alien > > caches in the slab allocator. Saves per-node memory, > > but will impact performance. > > Thanks, > Hyeonggon