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Date: Tue, 14 Jan 2014 13:49:06 -0600 (CST)
From: Christoph Lameter <cl@linux.com>
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To: Dave Hansen <dave@sr71.net>
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Subject: Re: [RFC][PATCH 3/9] mm: page->pfmemalloc only used by slab/skb
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On Tue, 14 Jan 2014, Dave Hansen wrote:

> page->pfmemalloc does not deserve a spot in 'struct page'.  It is
> only used transiently _just_ after a page leaves the buddy
> allocator.

Why would we need to do this if we are removing the cmpxchg_double?