linux-hardening - Re: [PATCH RFC] slab: support for compiler-assisted type-based slab cache partitioning

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Message-ID: <CAHKB1wKZmp2Rpw0zry70i16-c3FVkwtb3-XpLs5P1s4eABDD=A@mail.gmail.com>
Date: Tue, 26 Aug 2025 13:14:48 +0200
From: Matteo Rizzo <matteorizzo@...gle.com>
To: Harry Yoo <harry.yoo@...cle.com>
Cc: Marco Elver <elver@...gle.com>, linux-kernel@...r.kernel.org, 
	kasan-dev@...glegroups.com, "Gustavo A. R. Silva" <gustavoars@...nel.org>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Alexander Potapenko <glider@...gle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Andrey Konovalov <andreyknvl@...il.com>, 
	David Hildenbrand <david@...hat.com>, David Rientjes <rientjes@...gle.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Florent Revest <revest@...gle.com>, 
	GONG Ruiqi <gongruiqi@...weicloud.com>, Jann Horn <jannh@...gle.com>, 
	Kees Cook <kees@...nel.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	Michal Hocko <mhocko@...e.com>, Mike Rapoport <rppt@...nel.org>, Nathan Chancellor <nathan@...nel.org>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Suren Baghdasaryan <surenb@...gle.com>, 
	Vlastimil Babka <vbabka@...e.cz>, linux-hardening@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH RFC] slab: support for compiler-assisted type-based slab
 cache partitioning

On Mon, 25 Aug 2025 at 18:49, Harry Yoo <harry.yoo@...cle.com> wrote:
>
> Not relevant to this patch, but just wondering if there are
> any plans for SLAB_VIRTUAL?

I'm still working on it, I hope to submit a new version upstream soon.
There are a few issues with the current version (mainly virtual memory
exhaustion) that I would like to solve first.

Matteo