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Date: Fri, 22 Jul 2005 00:50:25 -0700 (PDT)
Message-Id: <20050722.005025.26277081.davem@davemloft.net>
To: ncunningham@cyclades.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [QN/PATCH] Why do some archs allocate stack via kmalloc,
 others via get_free_pages?
From: "David S. Miller" <davem@davemloft.net>
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From: Nigel Cunningham <ncunningham@cyclades.com>
Date: Fri, 22 Jul 2005 14:11:17 +1000

> In making some modifications to Suspend, we've discovered that some
> arches use kmalloc and others use get_free_pages to allocate the stack.
> Is there a reason for the variation? If not, could the following patch
> be considered for inclusion (tested on x86 only).

Some platforms really need it to be page aligned (sparc32 sun4c needs
to virtually map the resulting pages into a specific place, for
example).

But, for the ones that don't have this requirement, they want the
cache coloring.