linux-kernel - Re: [PATCH v1 5/6] rcu: rename kfree_call_rcu()/__kfree

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Message-ID: <20200422231642.GJ17661@paulmck-ThinkPad-P72>
Date:   Wed, 22 Apr 2020 16:16:42 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     Uladzislau Rezki <urezki@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>,
        linux-mm@...ck.org
Subject: Re: [PATCH v1 5/6] rcu: rename kfree_call_rcu()/__kfree_rcu()

On Wed, Apr 22, 2020 at 07:03:22PM -0400, Joel Fernandes wrote:
> On Tue, Apr 21, 2020 at 02:03:58PM +0200, Uladzislau Rezki wrote:
> > Hello, Andrew.
> > 
> > > > > I based the kfree_rcu shrinker patches on an 'rcu/kfree' branch in my git
> > > > > tree: https://github.com/joelagnel/linux-kernel/tree/rcu/kfree
> > > > > 
> > > > > For now I manually applied 5/6. All others applied cleanly.
> > > > > 
> > > > > Updated the tree as I continue to review your patches.
> > > > >
> > > 
> > > I'm not sure what's happening here - these patches aren't yet in
> > > linux-next.
> > > 
> > Please have a look here, i explained in detail in my cover latter
> > what we would like to achieve: https://lkml.org/lkml/2020/3/23/242
> > 
> > > A couple of thoughts:
> > > 
> > > - Please cc linux-mm@...ck.org on this patchset and anything else
> > >   which impacts MM.
> > > 
> > OK. I thought that is related to RCU, therefore i did not want to
> > spam, but i included you :) Next time we will keep linux-mm@...ck.org
> > in a loop. Sorry for that.
> 
> Sorry from my side as well. Will keep linux-mm in the loop henceforth.

I must confess that it came as a bit of a surprise to me as well.

But what is life without a surprise or two along the way?  ;-)

							Thanx, Paul

> thanks,
> 
>  - Joel
> 
> 
> > 
> > >
> > > - It's a bit strange to create new infrastructure which has but a
> > >   single call site.  Please tell us much more about "there was also
> > >   request/interest so there will be new comers" to set minds at ease. 
> > > 
> > >   Who/where are these possible new callsites and when can we expect to
> > >   see that code?
> > > 
> > https://lkml.org/lkml/2020/3/23/242 here i wrote motivation. Please
> > check it. If you have some questions please ask.
> > 
> > --
> > Vlad Rezki