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Date: Fri, 15 Mar 2013 21:30:31 +0800
Message-ID: <CAJd=RBAMTOX=h5jodjNNbY=25rX8BxvEyVdWVYe-U=qDeow76A@mail.gmail.com>
Subject: Re: [PATCHv2, RFC 13/30] thp, mm: implement grab_cache_huge_page_write_begin()
From: Hillf Danton <dhillf@gmail.com>
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>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
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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?

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hillf Danton <dhillf@gmail.com>
Subject: Re: [PATCHv2, RFC 13/30] thp, mm: implement grab_cache_huge_page_write_begin()
Date: Fri, 15 Mar 2013 21:30:31 +0800
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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>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
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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?

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