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Message-ID: <CAJhHMCAY2r1+duuqWDNbHTGQti6W5qOUwpAuFVocQdB2tYyoEg@mail.gmail.com>
Date:	Fri, 17 Jun 2016 11:48:12 -0400
From:	Pranith Kumar <bobby.prani@...il.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, jiangshanlai@...il.com,
	Dipankar Sarma <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>,
	Darren Hart <dvhart@...ux.intel.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: [PATCH tip/core/rcu 04/12] rcu: Move expedited code from tree.c
 to tree_exp.h

Hi Paul,

On Wed, Jun 15, 2016 at 5:46 PM, Paul E. McKenney
<paulmck@...ux.vnet.ibm.com> wrote:
> People have been having some difficulty finding their way around the
> RCU code.  This commit therefore pulls some of the expedited grace-period
> code from tree.c to a new tree_exp.h file.  This commit is strictly code
> movement, with the exception of a forward declaration that was added
> for the sync_sched_exp_online_cleanup() function.
>
> A subsequent commit will move the remaining expedited grace-period code
> from tree_plugin.h to tree_exp.h.
>
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> ---
>  kernel/rcu/tree.c     | 545 +-----------------------------------------------
>  kernel/rcu/tree_exp.h | 564 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 566 insertions(+), 543 deletions(-)
>  create mode 100644 kernel/rcu/tree_exp.h
>

I've always wondered why you chose to only have a header file instead
of the traditional x.h/x.c split for declarations and
definitions(looking at tree_plugin.h). Is there any particular reason
for this?

Thanks,
-- 
Pranith

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