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From: "Christoph Lameter (Ampere)" <cl@linux.com>
To: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>,
	David Rientjes <rientjes@google.com>,
	 Jianfeng Wang <jianfeng.w.wang@oracle.com>,
	penberg@kernel.org,  iamjoonsoo.kim@lge.com,
	akpm@linux-foundation.org,  roman.gushchin@linux.dev,
	42.hyeyoo@gmail.com, linux-mm@kvack.org,
	 linux-kernel@vger.kernel.org,
	Chengming Zhou <zhouchengming@bytedance.com>
Subject: Re: [PATCH] slub: avoid scanning all partial slabs in get_slabinfo()
Date: Thu, 22 Feb 2024 19:02:58 -0800 (PST)	[thread overview]
Message-ID: <6daf88a2-84c2-5ba4-853c-c38cca4a03cb@linux.com> (raw)
In-Reply-To: <55ccc92a-79fa-42d2-97d8-b514cf00823b@linux.dev>

On Thu, 22 Feb 2024, Chengming Zhou wrote:

> Anyway, I put the code below for discussion...

Can we guestimate the free objects based on the number of partial slabs. 
That number is available.

How accurate need the accounting be? We also have fuzzy accounting in the 
VM counters.


  reply	other threads:[~2024-02-23  3:03 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-15 21:14 [PATCH] slub: avoid scanning all partial slabs in get_slabinfo() Jianfeng Wang
2024-02-18 19:25 ` David Rientjes
2024-02-19  8:30   ` Vlastimil Babka
2024-02-19  9:29     ` Chengming Zhou
2024-02-19 10:17       ` Vlastimil Babka
2024-02-22 13:20     ` Chengming Zhou
2024-02-23  3:02       ` Christoph Lameter (Ampere) [this message]
2024-02-23  3:36         ` Chengming Zhou
2024-02-23  3:50           ` Christoph Lameter (Ampere)
2024-02-23  5:00             ` Chengming Zhou
2024-02-23  9:24               ` Vlastimil Babka
2024-02-23  9:37                 ` Chengming Zhou
2024-02-23  9:46                   ` Chengming Zhou
2024-02-23  9:51                   ` Vlastimil Babka
2024-02-26 17:38                     ` Christoph Lameter (Ampere)
2024-02-27  9:30                       ` Chengming Zhou
2024-02-27 22:55                         ` Christoph Lameter (Ampere)
2024-02-28  9:51                           ` Chengming Zhou
2024-03-14  0:38                             ` Jianfeng Wang
2024-03-14 23:45                               ` Christoph Lameter (Ampere)
2024-02-23  7:36         ` Jianfeng Wang
2024-02-23  9:17           ` Vlastimil Babka
2024-02-20 18:41   ` Jianfeng Wang

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