linux-kernel - Re: [PATCH v8 00/23] SLUB percpu sheaves

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Message-ID: <aOS0Z5N4HaBNeb_J@infradead.org>
Date: Mon, 6 Oct 2025 23:34:15 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Vlastimil Babka <vbabka@...e.cz>
Cc: Suren Baghdasaryan <surenb@...gle.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Christoph Lameter <cl@...two.org>,
	David Rientjes <rientjes@...gle.com>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Harry Yoo <harry.yoo@...cle.com>,
	Uladzislau Rezki <urezki@...il.com>,
	Sidhartha Kumar <sidhartha.kumar@...cle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
	maple-tree@...ts.infradead.org, Alexei Starovoitov <ast@...nel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Venkat Rao Bagalkote <venkat88@...ux.ibm.com>,
	Qianfeng Rong <rongqianfeng@...o.com>,
	Wei Yang <richard.weiyang@...il.com>,
	"Matthew Wilcox (Oracle)" <willy@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	WangYuli <wangyuli@...ontech.com>, Jann Horn <jannh@...gle.com>,
	Pedro Falcato <pfalcato@...e.de>
Subject: Re: [PATCH v8 00/23] SLUB percpu sheaves

On Wed, Sep 10, 2025 at 10:01:02AM +0200, Vlastimil Babka wrote:
> Hi,
> 
> I'm sending full v8 due to more changes in the middle of the series that
> resulted in later patches being fixed up due to conflicts (details in
> the changelog below).
> The v8 will replace+extend the v7 in slab/for-next.

So I've been reading through this and wonder how the preallocation
using shaves is to be used.  Do you have example code for that
somewhere?