From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCHv2, RFC 13/30] thp, mm: implement
 grab_cache_huge_page_write_begin()
Date: Fri, 15 Mar 2013 15:35:43 +0200 (EET)
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Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
 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>,
 linux-fsdevel@vger.kernel.org,
 linux-kernel@vger.kernel.org
To: Hillf Danton <dhillf@gmail.com>
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Hillf Danton wrote:
> On Fri, Mar 15, 2013 at 9:24 PM, Kirill A. Shutemov
> <kirill.shutemov@linux.intel.com> wrote:
> > Hillf Danton wrote:
> >> On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
> >> <kirill.shutemov@linux.intel.com> wrote:
> >> > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE
> >> > +struct page *grab_cache_huge_page_write_begin(struct address_space *mapping,
> >> > +                       pgoff_t index, unsigned flags);
> >> > +#else
> >> > +static inline struct page *grab_cache_huge_page_write_begin(
> >> > +               struct address_space *mapping, pgoff_t index, unsigned flags)
> >> > +{
> >> build bug?
> >
> > Hm?. No. Why?
> >
> Stop build if THP not configured?

No. I've tested it without CONFIG_TRANSPARENT_HUGEPAGE.

-- 
 Kirill A. Shutemov

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