On Sun, May 12, 2013 at 9:23 AM, Kirill A. Shutemov <[email protected]> wrote: > From: "Kirill A. Shutemov" <[email protected]> >
Better if one or two sentences are prepared to show that the following defines are necessary. > Signed-off-by: Kirill A. Shutemov <[email protected]> > --- > include/linux/huge_mm.h | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h > index 528454c..6b4c9b2 100644 > --- a/include/linux/huge_mm.h > +++ b/include/linux/huge_mm.h > @@ -64,6 +64,10 @@ extern pmd_t *page_check_address_pmd(struct page *page, > #define HPAGE_PMD_MASK HPAGE_MASK > #define HPAGE_PMD_SIZE HPAGE_SIZE > > +#define HPAGE_CACHE_ORDER (HPAGE_SHIFT - PAGE_CACHE_SHIFT) > +#define HPAGE_CACHE_NR (1L << HPAGE_CACHE_ORDER) > +#define HPAGE_CACHE_INDEX_MASK (HPAGE_CACHE_NR - 1) > + > extern bool is_vma_temporary_stack(struct vm_area_struct *vma); > > #define transparent_hugepage_enabled(__vma) \ > @@ -185,6 +189,10 @@ extern int do_huge_pmd_numa_page(struct mm_struct *mm, > struct vm_area_struct *vm > #define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; }) > #define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; }) > > +#define HPAGE_CACHE_ORDER ({ BUILD_BUG(); 0; }) > +#define HPAGE_CACHE_NR ({ BUILD_BUG(); 0; }) > +#define HPAGE_CACHE_INDEX_MASK ({ BUILD_BUG(); 0; }) > + > #define hpage_nr_pages(x) 1 > > #define transparent_hugepage_enabled(__vma) 0 > -- > 1.7.10.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
