Re: [PATCH 1/2] pagemap: add #ifdefs CONFIG_HUGETLB_PAGE on codewalking hugetlb vma

From: Naoya Horiguchi
Date: Fri Mar 19 2010 - 02:55:36 EST


On Fri, Mar 19, 2010 at 03:29:34PM +0900, KAMEZAWA Hiroyuki wrote:
> On Fri, 19 Mar 2010 15:26:35 +0900
> Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> wrote:
>
> > If !CONFIG_HUGETLB_PAGE, pagemap_hugetlb_range() is never called.
> > So put it (and its calling function) into #ifdef block.
> >
> > Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
>
> Hmm? What is benefit ? Is this broken now ?
>

Not broken, but this is needed to avoid build error with patch 2/2 applied,
where I move huge_pte_offset() (not defined when !HUGETLB_PAGE)
into pagemap_hugetlb_range().

Thanks,
Naoya Horiguchi
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