From: Christoph Lameter <cl@linux.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: willy@infradead.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org
Subject: Re: [PATCH RFC] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU
Date: Wed, 25 Jan 2017 10:45:52 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.20.1701251045040.983@east.gentwo.org> (raw)
In-Reply-To: <20170123004657.GT5238@linux.vnet.ibm.com>
On Sun, 22 Jan 2017, Paul E. McKenney wrote:
> On Wed, Jan 18, 2017 at 06:00:24PM -0600, Christoph Lameter wrote:
> > On Wed, 18 Jan 2017, Paul E. McKenney wrote:
> >
> > > Actually, slab is using RCU to provide type safety to those slab users
> > > who request it.
> >
> > Typesafety is a side effect. The main idea here is that the object can
> > still be accessed in RCU sections after another processor frees the
> > object. We guarantee that the object is not freed but it may be reused
> > for another object within the RCU period.
> >
> > Can we have a name that expresses all of that properly?
>
> But of course!!! "Type safety". http://wiki.c2.com/?TypeSafe
Well that does not convey the idea that RCU is involved here.
SLAB_DESTROY_RCU_TYPESAFE
?
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next prev parent reply other threads:[~2017-01-25 16:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 11:07 Paul E. McKenney
2017-01-18 11:12 ` willy
2017-01-18 22:17 ` Paul E. McKenney
2017-01-19 0:00 ` Christoph Lameter
2017-01-23 0:46 ` Paul E. McKenney
2017-01-25 16:45 ` Christoph Lameter [this message]
2017-01-25 17:04 ` Eric Dumazet
2017-01-25 20:07 ` Paul E. McKenney
2017-01-25 22:46 ` Eric Dumazet
2017-01-25 23:05 ` Paul E. McKenney
2017-01-25 20:25 ` Johannes Weiner
2017-01-25 21:26 ` Vlastimil Babka
2017-01-25 22:35 ` Paul E. McKenney
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