From: George Spelvin <lkml@SDF.ORG>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Uladzislau Rezki <urezki@gmail.com>,
rcu@vger.kernel.org, josh@joshtriplett.org, rostedt@goodmis.org,
mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com,
joel@joelfernandes.org, lkml@sdf.org
Subject: Re: Is there a reason we don't have kvfree_rcu()?
Date: Fri, 13 Mar 2020 18:46:41 +0000 [thread overview]
Message-ID: <20200313184641.GA14782@SDF.ORG> (raw)
In-Reply-To: <20200313181917.GY3199@paulmck-ThinkPad-P72>
On Fri, Mar 13, 2020 at 11:19:17AM -0700, Paul E. McKenney wrote:
> Another approach would be to terminate with a NULL pointer, or with the
> end of the array, as the case may be.
That's the basic idea, but you want to be able to append a pointer
in O(1) time, and a simple null-termination requires a linear search.
It's obfuscation for negligible gain, however, so I'm sorry I
bothered mentioning it.
next prev parent reply other threads:[~2020-03-13 18:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-12 16:27 Is there a reason we don't have kvfree_rcu()? George Spelvin
2020-03-12 18:11 ` Paul E. McKenney
2020-03-12 19:10 ` Uladzislau Rezki
2020-03-13 3:58 ` Joel Fernandes
2020-03-13 13:21 ` Uladzislau Rezki
2020-03-13 13:40 ` Joel Fernandes
2020-03-13 5:06 ` George Spelvin
2020-03-13 13:44 ` Uladzislau Rezki
2020-03-13 13:54 ` Paul E. McKenney
2020-03-13 16:52 ` George Spelvin
2020-03-13 18:19 ` Paul E. McKenney
2020-03-13 18:46 ` George Spelvin [this message]
2020-03-13 19:58 ` Paul E. McKenney
2020-03-12 22:24 ` George Spelvin
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