From: Harry Yoo <harry@kernel.org>
To: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>, Hao Li <hao.li@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@gentwo.org>,
David Rientjes <rientjes@google.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH v3 05/13] mm/slab: abstract slabobj_ext.objcg access
Date: Tue, 28 Jul 2026 22:24:35 +0900 [thread overview]
Message-ID: <amitGGcHyVXBdpOI@thinkpad> (raw)
In-Reply-To: <20260727-b4-objext_split-v3-5-c29ef0f1f257@kernel.org>
On Mon, Jul 27, 2026 at 02:53:59PM +0200, Vlastimil Babka (SUSE) wrote:
> In preparation for changes to the structure, abstract getting and
> setting the objcg field with slab_obj_ext_objcg() and
> slab_obj_ext_set_objcg().
> Rename the field to _objcg to make an unexpected direct access a compile
> error.
>
> No functional change intended.
>
> Reviewed-by: Hao Li <hao.li@linux.dev>
> Reviewed-by: Suren Baghdasaryan <surenb@google.com>
> Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
> ---
Looks good to me,
Reviewed-by: Harry Yoo (Oracle) <harry@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Harry Yoo <harry@kernel.org>
To: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>, Hao Li <hao.li@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@gentwo.org>,
David Rientjes <rientjes@google.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH v3 05/13] mm/slab: abstract slabobj_ext.objcg access
Date: Tue, 28 Jul 2026 22:25:14 +0900 [thread overview]
Message-ID: <amitGGcHyVXBdpOI@thinkpad> (raw)
Message-ID: <20260728132514.EQFEIa_TmuURcDcjuFzEEUVrRjWxrNyE1TUZyIWSV4A@z> (raw)
In-Reply-To: <20260727-b4-objext_split-v3-5-c29ef0f1f257@kernel.org>
On Mon, Jul 27, 2026 at 02:53:59PM +0200, Vlastimil Babka (SUSE) wrote:
> In preparation for changes to the structure, abstract getting and
> setting the objcg field with slab_obj_ext_objcg() and
> slab_obj_ext_set_objcg().
> Rename the field to _objcg to make an unexpected direct access a compile
> error.
>
> No functional change intended.
>
> Reviewed-by: Hao Li <hao.li@linux.dev>
> Reviewed-by: Suren Baghdasaryan <surenb@google.com>
> Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
> ---
Looks good to me,
Reviewed-by: Harry Yoo (Oracle) <harry@kernel.org>
next prev parent reply other threads:[~2026-07-28 13:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-27 12:53 [PATCH v3 00/13] mm/slab, alloc_tag: reduce obj_ext memory waste Vlastimil Babka (SUSE)
2026-07-27 12:53 ` [PATCH v3 01/13] mm/slab: skip kfence objects in allocation profiling Vlastimil Babka (SUSE)
2026-07-27 12:53 ` [PATCH v3 02/13] mm/slab: remove objs_per_slab() Vlastimil Babka (SUSE)
2026-07-27 12:53 ` [PATCH v3 03/13] mm: move struct slabobj_ext to mm/slab.h Vlastimil Babka (SUSE)
2026-07-27 12:53 ` [PATCH v3 04/13] mm/slab: make slab_obj_ext() determine object index Vlastimil Babka (SUSE)
2026-07-27 12:53 ` [PATCH v3 05/13] mm/slab: abstract slabobj_ext.objcg access Vlastimil Babka (SUSE)
2026-07-28 13:24 ` Harry Yoo [this message]
2026-07-28 13:25 ` Harry Yoo
2026-07-27 12:54 ` [PATCH v3 06/13] mm/slab: abstract slabobj_ext.ref access Vlastimil Babka (SUSE)
2026-07-28 13:41 ` Harry Yoo
2026-07-28 17:41 ` Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 07/13] mm/slab: replace slab.stride with obj_exts_in_object Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 08/13] mm/slab: change struct slabobj_ext to a union Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 09/13] mm/slab: introduce slab_obj_ext_has_codetag() Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 10/13] mm/slab: reduce slabobj_ext memory with allocation profiling disabled Vlastimil Babka (SUSE)
2026-07-27 14:07 ` Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 11/13] mm/slab: add cache_ and slab_needs_objcg() helpers Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 12/13] mm/slab: stop allocating objcg pointers when unnecessary Vlastimil Babka (SUSE)
2026-07-27 12:54 ` [PATCH v3 13/13] mm/slab, kfence, memcg: completely remove obj_ext for kfence objects Vlastimil Babka (SUSE)
2026-07-28 17:46 ` [PATCH v3 00/13] mm/slab, alloc_tag: reduce obj_ext memory waste Vlastimil Babka (SUSE)
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