linux-hardening - Re: [PATCH v6 0/6] slab: Introduce dedicated bucket allocator

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Message-ID: <e74d47c7-0873-4adb-88a3-60597bf31af6@suse.cz>
Date: Tue, 2 Jul 2024 11:24:57 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Kees Cook <kees@...nel.org>
Cc: "GONG, Ruiqi" <gongruiqi@...weicloud.com>,
 Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@...nel.org>,
 David Rientjes <rientjes@...gle.com>, Joonsoo Kim <iamjoonsoo.kim@....com>,
 jvoisin <julien.voisin@...tri.org>, Andrew Morton
 <akpm@...ux-foundation.org>, Roman Gushchin <roman.gushchin@...ux.dev>,
 Hyeonggon Yoo <42.hyeyoo@...il.com>, Xiu Jianfeng <xiujianfeng@...wei.com>,
 Suren Baghdasaryan <surenb@...gle.com>,
 Kent Overstreet <kent.overstreet@...ux.dev>, Jann Horn <jannh@...gle.com>,
 Matteo Rizzo <matteorizzo@...gle.com>, Thomas Graf <tgraf@...g.ch>,
 Herbert Xu <herbert@...dor.apana.org.au>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, linux-hardening@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v6 0/6] slab: Introduce dedicated bucket allocator

On 7/1/24 9:12 PM, Kees Cook wrote:
> 
> Kees Cook (6):
>   mm/slab: Introduce kmem_buckets typedef
>   mm/slab: Plumb kmem_buckets into __do_kmalloc_node()
>   mm/slab: Introduce kvmalloc_buckets_node() that can take kmem_buckets
>     argument
>   mm/slab: Introduce kmem_buckets_create() and family
>   ipc, msg: Use dedicated slab buckets for alloc_msg()
>   mm/util: Use dedicated slab buckets for memdup_user()

pushed to slab/for-6.11/buckets, slab/for-next

Thanks!

> 
>  include/linux/slab.h            |  48 ++++++++++++---
>  ipc/msgutil.c                   |  13 +++-
>  kernel/configs/hardening.config |   1 +
>  mm/Kconfig                      |  17 ++++++
>  mm/slab.h                       |   6 +-
>  mm/slab_common.c                | 101 +++++++++++++++++++++++++++++++-
>  mm/slub.c                       |  20 +++----
>  mm/util.c                       |  23 ++++++--
>  scripts/kernel-doc              |   1 +
>  9 files changed, 200 insertions(+), 30 deletions(-)
>