linux-kernel - Re: [PATCH 0/2] rcu: Transform kfree_rcu() into kvfree

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Message-ID: <alpine.DEB.2.20.1802071152580.22710@nuc-kabylake>
Date:   Wed, 7 Feb 2018 11:54:22 -0600 (CST)
From:   Christopher Lameter <cl@...ux.com>
To:     Steven Rostedt <rostedt@...dmis.org>
cc:     Matthew Wilcox <willy@...radead.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Kirill Tkhai <ktkhai@...tuozzo.com>, josh@...htriplett.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        mingo@...hat.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        brouer@...hat.com, rao.shoaib@...cle.com
Subject: Re: [PATCH 0/2] rcu: Transform kfree_rcu() into kvfree_rcu()

On Wed, 7 Feb 2018, Steven Rostedt wrote:

> But a generic "malloc" or "free" that does things differently depending
> on the size is a different story.

They would not be used for cases with special requirements but for the
throwaway allows where noone cares about these details. Its just a
convenience for the developers that do not need to be bothered with too
much detail because they are not dealing with codepaths that have special
requirements.