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

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Date:   Wed, 22 Apr 2020 19:03:22 -0400
From:   Joel Fernandes <joel@...lfernandes.org>
To:     Uladzislau Rezki <urezki@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "Paul E . McKenney" <paulmck@...nel.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 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.

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