linux-kernel - Re: [PATCH RFC tip/core/rcu 1/4] dax/super: Dynamically allocate dax

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Date:   Thu, 4 Apr 2019 14:04:56 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     rcu@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>, jiangshanlai@...il.com,
        dipankar@...ibm.com, Andrew Morton <akpm@...ux-foundation.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Josh Triplett <josh@...htriplett.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        David Howells <dhowells@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>, fweisbec@...il.com,
        Oleg Nesterov <oleg@...hat.com>, joel@...lfernandes.org,
        Vishal Verma <vishal.l.verma@...el.com>,
        Keith Busch <keith.busch@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, Tejun Heo <tj@...nel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>
Subject: Re: [PATCH RFC tip/core/rcu 1/4] dax/super: Dynamically allocate
 dax_srcu

On Wed, Apr 03, 2019 at 11:31:01AM -0700, Dan Williams wrote:
> On Tue, Apr 2, 2019 at 7:29 AM Paul E. McKenney <paulmck@...ux.ibm.com> wrote:
> >
> > Having DEFINE_SRCU() or DEFINE_STATIC_SRCU() in a loadable module
> > requires that the size of the reserved region be increased, which is
> > not something we really want to be doing.  This commit therefore removes
> > the DEFINE_STATIC_SRCU() from drivers/dax/super.c in favor of defining
> > dax_srcu as a simple srcu_struct, initializing it in dax_core_init(),
> > and cleaning it up in dax_core_exit().
> >
> > Reported-by: kbuild test robot <lkp@...el.com>
> > Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
> 
> Looks good to me.
> 
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>

Applied, thank you!

							Thanx, Paul