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Message-ID: <CA+CK2bDOiV8xwig1pDdTVjkO4KhK+jJ0wXAtNon1ZXQGviih4A@mail.gmail.com>
Date: Wed, 21 Feb 2024 16:30:39 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: akpm@...ux-foundation.org, kent.overstreet@...ux.dev, mhocko@...e.com, 
	vbabka@...e.cz, hannes@...xchg.org, roman.gushchin@...ux.dev, mgorman@...e.de, 
	dave@...olabs.net, willy@...radead.org, liam.howlett@...cle.com, 
	penguin-kernel@...ove.sakura.ne.jp, corbet@....net, void@...ifault.com, 
	peterz@...radead.org, juri.lelli@...hat.com, catalin.marinas@....com, 
	will@...nel.org, arnd@...db.de, tglx@...utronix.de, mingo@...hat.com, 
	dave.hansen@...ux.intel.com, x86@...nel.org, peterx@...hat.com, 
	david@...hat.com, axboe@...nel.dk, mcgrof@...nel.org, masahiroy@...nel.org, 
	nathan@...nel.org, dennis@...nel.org, tj@...nel.org, muchun.song@...ux.dev, 
	rppt@...nel.org, paulmck@...nel.org, yosryahmed@...gle.com, yuzhao@...gle.com, 
	dhowells@...hat.com, hughd@...gle.com, andreyknvl@...il.com, 
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	gregkh@...uxfoundation.org, ebiggers@...gle.com, ytcoode@...il.com, 
	vincent.guittot@...aro.org, dietmar.eggemann@....com, rostedt@...dmis.org, 
	bsegall@...gle.com, bristot@...hat.com, vschneid@...hat.com, cl@...ux.com, 
	penberg@...nel.org, iamjoonsoo.kim@....com, 42.hyeyoo@...il.com, 
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	songmuchun@...edance.com, jbaron@...mai.com, rientjes@...gle.com, 
	minchan@...gle.com, kaleshsingh@...gle.com, kernel-team@...roid.com, 
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	iommu@...ts.linux.dev, linux-arch@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, 
	linux-modules@...r.kernel.org, kasan-dev@...glegroups.com, 
	cgroups@...r.kernel.org
Subject: Re: [PATCH v4 07/36] mm: introduce slabobj_ext to support slab object extensions

On Wed, Feb 21, 2024 at 2:41 PM Suren Baghdasaryan <surenb@...gle.com> wrote:
>
> Currently slab pages can store only vectors of obj_cgroup pointers in
> page->memcg_data. Introduce slabobj_ext structure to allow more data
> to be stored for each slab object. Wrap obj_cgroup into slabobj_ext
> to support current functionality while allowing to extend slabobj_ext
> in the future.
>
> Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>

Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>

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