linux-kernel - Re: [patch 5/6] mempolicy: add MPOL_F_RELATIVE

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Message-ID: <alpine.DEB.1.00.0802252245170.8527@chino.kir.corp.google.com>
Date:	Mon, 25 Feb 2008 22:45:24 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Paul Jackson <pj@....com>
cc:	akpm@...ux-foundation.org, clameter@....com,
	Lee.Schermerhorn@...com, ak@...e.de, linux-kernel@...r.kernel.org
Subject: Re: [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag

On Tue, 26 Feb 2008, Paul Jackson wrote:

> David wrote:
> +static nodemask_t mpol_relative_nodemask(const nodemask_t *orig,
> +					 const nodemask_t *rel)
> +{
> +	nodemask_t ret;
> +	nodemask_t tmp;
> 
> Could you avoid needing the nodemask_t 'ret' on the stack, by passing
> in a "nodemask_t *" pointer to where you want the resulting nodemask_t
> written, rather than by returning it by value?
> 
>  static void mpol_relative_nodemask(nodemask_t *ret, const nodemask_t *orig,
> 					 const nodemask_t *rel)
> 

Done, thanks.
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