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From: David Rientjes <rientjes@google.com>
To: Matteo Rizzo <matteorizzo@google.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cl@linux.com,
	 penberg@kernel.org, iamjoonsoo.kim@lge.com,
	akpm@linux-foundation.org,  vbabka@suse.cz,
	roman.gushchin@linux.dev, 42.hyeyoo@gmail.com,  jannh@google.com
Subject: Re: [PATCH v2] mm/slub: refactor freelist to use custom type
Date: Tue, 4 Jul 2023 10:58:08 -0700 (PDT)	[thread overview]
Message-ID: <f4f0e0b8-e04f-132b-7dbd-8bf1fc717544@google.com> (raw)
In-Reply-To: <20230704135834.3884421-1-matteorizzo@google.com>

On Tue, 4 Jul 2023, Matteo Rizzo wrote:

> From: Jann Horn <jannh@google.com>
> 
> Currently the SLUB code represents encoded freelist entries as "void*".
> That's misleading, those things are encoded under
> CONFIG_SLAB_FREELIST_HARDENED so that they're not actually dereferencable.
> 
> Give them their own type, and split freelist_ptr() into one function per
> direction (one for encoding, one for decoding).
> 
> Signed-off-by: Jann Horn <jannh@google.com>
> Co-developed-by: Matteo Rizzo <matteorizzo@google.com>
> Signed-off-by: Matteo Rizzo <matteorizzo@google.com>

Acked-by: David Rientjes <rientjes@google.com>


  reply	other threads:[~2023-07-04 17:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-04 13:58 [PATCH v2] mm/slub: refactor freelist to use custom type Matteo Rizzo
2023-07-04 17:58 ` David Rientjes [this message]
2023-07-11  9:57 ` Vlastimil Babka

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