linux-kernel - Re: Is heap_stack

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Message-ID: <20140430083620.GA4711@dhcp22.suse.cz>
Date:	Wed, 30 Apr 2014 10:36:20 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Jidong Xiao <jidong.xiao@...il.com>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org
Subject: Re: Is heap_stack_gap useless?

On Tue 29-04-14 23:59:09, Jidong Xiao wrote:
> On Tue, Apr 29, 2014 at 11:31 PM, Jidong Xiao <jidong.xiao@...il.com> wrote:
> > Hi,
> >
> > I noticed this variable, defined in mm/nommu.c,
> >
> > mm/nommu.c:int heap_stack_gap = 0;
> >
> > This variable only shows up once, and never shows up in elsewhere.
> >
> > Can some one tell me is this useless? If so, I will submit a patch to remove
> > it.

Hint: Do not be afraid to do a bit of git research when you want to do
clean-ups like this.
-- 
Michal Hocko
SUSE Labs
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