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    SubjectRe: [PATCH 1/4] Documentation: kernel-parameters: remove slab_max_order
    On Mon, Nov 20, 2023 at 6:12 PM <sxwjean@me.com> wrote:
    >
    > From: Xiongwei Song <xiongwei.song@windriver.com>
    >
    > Since slab allocator has already been removed. There is no users about
    > it, so remove it.
    >
    > Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
    > ---
    > 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:
    > noaliencache [MM, NUMA, SLAB] Disables the allocation of alien
    > caches in the slab allocator. Saves per-node memory,
    > but will impact performance.

    Thanks,
    Hyeonggon

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