linux-kernel - Re: [PATCH] jump_label: jump

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Message-Id: <20111202092217.50d72f71.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 2 Dec 2011 09:22:17 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	rostedt@...dmis.org, Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH] jump_label: jump_label for boot options.

On Thu, 01 Dec 2011 16:05:13 +0100
Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> On Thu, 2011-12-01 at 11:53 +0900, KAMEZAWA Hiroyuki wrote:
> > I tried to use jump_label for handling memcg's boot options which sets
> > global variable true/false and never changes after boot. And found jump_table
> > is larger than expected. This patch is a trial to allow to place jump_table
> > in .init section. How do you think ? 
> 
> I think its much saner to go help hnaz remove this shadow page table and
> thus the need for this stupid boot time param.
> 

Yes, that's an idea. But we also have another stupid shadow swap accounting
table.  This can be disabled at boot, too.

Thanks,
-Kame

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