linux-kernel - Re: some questions about __get_vm_area

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Message-ID: <alpine.DEB.2.00.1204050017290.11895@chino.kir.corp.google.com>
Date:	Thu, 5 Apr 2012 00:20:03 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	vichy <vichy.kuo@...il.com>
cc:	Kautuk Consul <consul.kautuk@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: some questions about __get_vm_area_node

On Thu, 5 Apr 2012, vichy wrote:

> Yes, I saw your check in message on Mon Dec 19 17:12:04 2011 -0800.
> BTW, why we declare it as static previously?

Most likely copy-and-paste error by the original author.

> for saving stack usage?

For that you would need some kind of synchronization to protect it from 
concurrent access which doesn't exist in this context, so it was simply a 
mistake that got past review.
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