Re: [PATCH v2 0/5] slab cleanups

[Marco Elver <elver@google.com>]

On Fri, 4 Mar 2022 at 07:34, Hyeonggon Yoo <42.hyeyoo@gmail.com> wrote:
>
> Changes from v1:
>         Now SLAB passes requests larger than order-1 page
>         to page allocator.
>
>         Adjusted comments from Matthew, Vlastimil, Rientjes.
>         Thank you for feedback!
>
>         BTW, I have no idea what __ksize() should return when an object that
>         is not allocated from slab is passed. both 0 and folio_size()
>         seems wrong to me.

Didn't we say 0 would be the safer of the two options?
https://lkml.kernel.org/r/0e02416f-ef43-dc8a-9e8e-50ff63dd3c61@suse.cz

> Hello, these are cleanup patches for slab.
> Please consider them for slab-next :)
>
> Any comments will be appreciated.
> Thanks.
>
> Hyeonggon Yoo (5):
>   mm/slab: kmalloc: pass requests larger than order-1 page to page
>     allocator
>   mm/sl[au]b: unify __ksize()
>   mm/sl[auo]b: move definition of __ksize() to mm/slab.h
>   mm/slub: limit number of node partial slabs only in cache creation
>   mm/slub: refactor deactivate_slab()
>
>  include/linux/slab.h |  36 ++++++------
>  mm/slab.c            |  51 ++++++++---------
>  mm/slab.h            |  21 +++++++
>  mm/slab_common.c     |  20 +++++++
>  mm/slob.c            |   1 -
>  mm/slub.c            | 130 ++++++++++++-------------------------------
>  6 files changed, 114 insertions(+), 145 deletions(-)
>
> --
> 2.33.1
>