linux-kernel - Re: [PATCH v2 0/5] Move kvfree

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Message-ID: <Z1s16Vfa326d26h8@pc636>
Date: Thu, 12 Dec 2024 20:13:45 +0100
From: Uladzislau Rezki <urezki@...il.com>
To: "Paul E. McKenney" <paulmck@...nel.org>,
	"Christoph Lameter (Ampere)" <cl@...two.org>
Cc: "Christoph Lameter (Ampere)" <cl@...two.org>,
	"Uladzislau Rezki (Sony)" <urezki@...il.com>, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vlastimil Babka <vbabka@...e.cz>, RCU <rcu@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Hyeonggon Yoo <42.hyeyoo@...il.com>,
	Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>
Subject: Re: [PATCH v2 0/5] Move kvfree_rcu() into SLAB (v2)

On Thu, Dec 12, 2024 at 11:10:47AM -0800, Paul E. McKenney wrote:
> On Thu, Dec 12, 2024 at 10:30:28AM -0800, Christoph Lameter (Ampere) wrote:
> > On Thu, 12 Dec 2024, Uladzislau Rezki (Sony) wrote:
> > 
> > > This is v2. It is based on the Linux 6.13-rc2. The first version is
> > > here:
> > 
> > I do not see any use of internal slab interfaces by this code. It seems to
> > be using rcu internals though. So it would best be placed with the rcu
> > code.
> 
> That is indeed the current state.  The point of moving it is to later
> take advantage of internal slab state.
> 
And, in fact we already have some integrations. For example a barrier
has been added for slab caches.

--
Uladzislau Rezki