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From: Harry Yoo <harry.yoo@oracle.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: akpm@linux-foundation.org, andreyknvl@gmail.com, cl@gentwo.org,
	dvyukov@google.com, glider@google.com, hannes@cmpxchg.org,
	linux-mm@kvack.org, mhocko@kernel.org, muchun.song@linux.dev,
	rientjes@google.com, roman.gushchin@linux.dev,
	ryabinin.a.a@gmail.com, shakeel.butt@linux.dev,
	surenb@google.com, vincenzo.frascino@arm.com,
	yeoreum.yun@arm.com, tytso@mit.edu, adilger.kernel@dilger.ca,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org, hao.li@linux.dev
Subject: Re: [PATCH V5 0/8] mm/slab: reduce slab accounting memory overhead by allocating slabobj_ext metadata within unsed slab space
Date: Thu, 8 Jan 2026 16:05:48 +0900	[thread overview]
Message-ID: <aV9XTE7mHKWgHQZF@hyeyoo> (raw)
In-Reply-To: <14a0f149-5d22-4a3b-9cbf-3336d0783e9d@suse.cz>

On Wed, Jan 07, 2026 at 06:43:30PM +0100, Vlastimil Babka wrote:
> On 1/5/26 09:02, Harry Yoo wrote:
> > Happy new year!
> > 
> > V4: https://lore.kernel.org/linux-mm/20251027122847.320924-1-harry.yoo@oracle.com
> > V4 -> V5:
> > - Patch 4: Fixed returning false when the return type is unsigned long
> > - Patch 7: Fixed incorrect calculation of slabobj_ext offset (Thanks Hao!)
> 
> Besides the stuff pointed out the rest seemed ok to me.

Thanks for reviewing, Vlastimil!

> Can you resend with those addressed,

Will do.

> and rebased on slab.git slab/for-7.0/obj_metadata to avoid a conflict
> in patch 8/8 with Hao's comment update patch there?

Will do.

> I will add the series on top there then. Thanks!

Thanks a lot!

-- 
Cheers,
Harry / Hyeonggon


      reply	other threads:[~2026-01-08  7:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-05  8:02 Harry Yoo
2026-01-05  8:02 ` [PATCH V5 1/8] mm/slab: use unsigned long for orig_size to ensure proper metadata align Harry Yoo
2026-01-07 11:43   ` Vlastimil Babka
2026-01-08  7:12     ` Harry Yoo
2026-01-08 11:39   ` Alexander Potapenko
2026-01-09  1:52     ` Harry Yoo
2026-01-09  9:30       ` Alexander Potapenko
2026-01-05  8:02 ` [PATCH V5 2/8] mm/slab: allow specifying free pointer offset when using constructor Harry Yoo
2026-01-05  8:02 ` [PATCH V5 3/8] ext4: specify the free pointer offset for ext4_inode_cache Harry Yoo
2026-01-07 13:54   ` Vlastimil Babka
2026-01-08  7:14     ` Harry Yoo
2026-01-05  8:02 ` [PATCH V5 4/8] mm/slab: abstract slabobj_ext access via new slab_obj_ext() helper Harry Yoo
2026-01-07 14:53   ` Hao Li
2026-01-08  7:21     ` Harry Yoo
2026-01-07 14:56   ` Vlastimil Babka
2026-01-08  8:03     ` Harry Yoo
2026-01-05  8:02 ` [PATCH V5 5/8] mm/slab: use stride to access slabobj_ext Harry Yoo
2026-01-05  8:02 ` [PATCH V5 6/8] mm/memcontrol,alloc_tag: handle slabobj_ext access under KASAN poison Harry Yoo
2026-01-05  8:02 ` [PATCH V5 7/8] mm/slab: save memory by allocating slabobj_ext array from leftover Harry Yoo
2026-01-07 17:08   ` Vlastimil Babka
2026-01-05  8:02 ` [PATCH V5 8/8] mm/slab: place slabobj_ext metadata in unused space within s->size Harry Yoo
2026-01-07 17:33   ` Vlastimil Babka
2026-01-08  9:02     ` Harry Yoo
2026-01-08  5:52   ` Hao Li
2026-01-08  8:41     ` Harry Yoo
2026-01-08  9:52       ` Hao Li
2026-01-08 10:28         ` Harry Yoo
2026-01-08 10:44         ` Harry Yoo
2026-01-08 10:52           ` Vlastimil Babka
2026-01-08 12:48             ` Hao Li
2026-01-09  2:32             ` Harry Yoo
2026-01-08 11:57           ` Hao Li
2026-01-05  8:05 ` [PATCH V5 0/8] mm/slab: reduce slab accounting memory overhead by allocating slabobj_ext metadata within unsed slab space Harry Yoo
2026-01-07 17:43 ` Vlastimil Babka
2026-01-08  7:05   ` Harry Yoo [this message]

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