Re: [PATCHv2 3/4] mm: pack compound_dtor and compound_order into one word in struct page

[Kirill A. Shutemov]

On Tue, Aug 18, 2015 at 06:05:31PM +0200, Michal Hocko wrote:
> On Mon 17-08-15 18:09:04, Kirill A. Shutemov wrote:
> [...]
> > +/* Keep the enum in sync with compound_page_dtors array in mm/page_alloc.c */
> > +enum {
> > +	NULL_COMPOUND_DTOR,
> > +	COMPOUND_PAGE_DTOR,
> > +	HUGETLB_PAGE_DTOR,
> > +	NR_COMPOUND_DTORS,
> > +};
> [...]
> > +static void free_compound_page(struct page *page);
> > +compound_page_dtor * const compound_page_dtors[] = {
> > +	NULL,
> > +	free_compound_page,
> > +	free_huge_page,
> > +};
> > +
> 
> Both need ifdef CONFIG_HUGETLB_PAGE as my compile test batter just found
> out.

I'll fix that.

-- 
 Kirill A. Shutemov
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