Re: [PATCHv2, RFC 13/30] thp, mm: implement grab_cache_huge_page_write_begin()

[Hillf Danton]

On Fri, Mar 15, 2013 at 9:35 PM, Kirill A. Shutemov
<kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> Hillf Danton wrote:
>> On Fri, Mar 15, 2013 at 9:24 PM, Kirill A. Shutemov
>> <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
>> > Hillf Danton wrote:
>> >> On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
>> >> <kirill.shutemov@xxxxxxxxxxxxxxx> 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.
>
OK, I see.

thanks
Hillf
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