diff options
Diffstat (limited to 'arch/powerpc/include/asm/page.h')
-rw-r--r-- | arch/powerpc/include/asm/page.h | 42 |
1 files changed, 4 insertions, 38 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 5a3e7c643d73..e34124f6fbf2 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -387,45 +387,11 @@ typedef unsigned long pgprot_t; typedef struct { signed long pd; } hugepd_t; -#ifdef CONFIG_HUGETLB_PAGE -#ifdef CONFIG_PPC_BOOK3S_64 -#ifdef CONFIG_PPC_64K_PAGES -/* - * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't - * need to setup hugepage directory for them. Our pte and page directory format - * enable us to have this enabled. But to avoid errors when implementing new - * features disable hugepd for 64K. We enable a debug version here, So we catch - * wrong usage. - */ -#ifdef CONFIG_DEBUG_VM -extern int hugepd_ok(hugepd_t hpd); -#else -#define hugepd_ok(x) (0) -#endif -#else -static inline int hugepd_ok(hugepd_t hpd) -{ - /* - * hugepd pointer, bottom two bits == 00 and next 4 bits - * indicate size of table - */ - return (((hpd.pd & 0x3) == 0x0) && ((hpd.pd & HUGEPD_SHIFT_MASK) != 0)); -} -#endif -#else -static inline int hugepd_ok(hugepd_t hpd) -{ - return (hpd.pd > 0); -} -#endif - -#define is_hugepd(hpd) (hugepd_ok(hpd)) -#define pgd_huge pgd_huge -int pgd_huge(pgd_t pgd); -#else /* CONFIG_HUGETLB_PAGE */ -#define is_hugepd(pdep) 0 -#define pgd_huge(pgd) 0 +#ifndef CONFIG_HUGETLB_PAGE +#define is_hugepd(pdep) (0) +#define pgd_huge(pgd) (0) #endif /* CONFIG_HUGETLB_PAGE */ + #define __hugepd(x) ((hugepd_t) { (x) }) struct page; |