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Date: Tue, 26 Oct 2004 17:23:59 -0700
From: Andrew Morton <akpm@osdl.org>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] remove highmem_start_page
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Dave Hansen <haveblue@us.ibm.com> wrote:
>
> +static inline int page_is_highmem(struct page *page)
> +{
> +	return PageHighMem(page);
> +}

(boggle).  Why not just use PageHighMem() directly?