linux-kernel - Re: [PATCH RT 4/5] allow preemption in mem_cgroup_move_account_page

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Message-ID: <20140214130910.GE28438@linutronix.de>
Date:	Fri, 14 Feb 2014 14:09:10 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Nicholas Mc Guire <der.herr@...r.at>
Cc:	linux-rt-users@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Carsten Emde <C.Emde@...dl.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andreas Platschek <platschek@....tuwien.ac.at>
Subject: Re: [PATCH RT 4/5] allow preemption in
 mem_cgroup_move_account_page_stat

* Nicholas Mc Guire | 2014-02-10 16:39:33 [+0100]:

>
>allow preemption in mem_cgroup_move_account_page_stat
>
>as the call sites of mem_cgroup_move_account_page_stat are under 
>move_lock_mem_cgroup move_unlock_mem_cgroup (spin_lock_irqsave/
>spin_unlock_irqrestore respectively) the move operations 
>preempt_disable/enable seem to be purely for migration protection so 
>a migrate_disable/enable should be fine here.
>
>patch on top of 3.12.10-rt15
>
>Signed-off-by: Nicholas Mc Guire <der.herr@...r.at>

Applied.

Sebastian
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