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?
> + return NULL;
> +}
> +#endif
>
btw, how about grab_thp_write_begin?
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