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Date: Thu, 21 Mar 2013 09:21:00 -0700
From: Dave Hansen <dave@sr71.net>
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Subject: Re: [PATCHv2, RFC 07/30] thp, mm: introduce mapping_can_have_hugepages()
 predicate
References: <1363283435-7666-1-git-send-email-kirill.shutemov@linux.intel.com> <1363283435-7666-8-git-send-email-kirill.shutemov@linux.intel.com>
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Sender: owner-linux-mm@kvack.org
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To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Al Viro <viro@zeniv.linux.org.uk>, Hugh Dickins <hughd@google.com>, Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>, Mel Gorman <mgorman@suse.de>, linux-mm@kvack.org, Andi Kleen <ak@linux.intel.com>, Matthew Wilcox <matthew.r.wilcox@intel.com>, "Kirill A. Shutemov" <kirill@shutemov.name>, Hillf Danton <dhillf@gmail.com>, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org

On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> +static inline bool mapping_can_have_hugepages(struct address_space *m)
> +{
> +	if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
> +		gfp_t gfp_mask = mapping_gfp_mask(m);
> +		return !!(gfp_mask & __GFP_COMP);
> +	}
> +
> +	return false;
> +}

I did a quick search in all your patches and don't see __GFP_COMP
getting _set_ anywhere.  Am I missing something?

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