diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 338 |
1 files changed, 176 insertions, 162 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 4acc9690f599..aac8ce30cd3b 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -4,7 +4,7 @@ #include <asm-generic/pgtable-nop4d.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/mmdebug.h> #include <linux/bug.h> #include <linux/sizes.h> @@ -17,8 +17,6 @@ #define _PAGE_EXEC 0x00001 /* execute permission */ #define _PAGE_WRITE 0x00002 /* write access allowed */ #define _PAGE_READ 0x00004 /* read access allowed */ -#define _PAGE_RW (_PAGE_READ | _PAGE_WRITE) -#define _PAGE_RWX (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC) #define _PAGE_PRIVILEGED 0x00008 /* kernel access only */ #define _PAGE_SAO 0x00010 /* Strong access order */ #define _PAGE_NON_IDEMPOTENT 0x00020 /* non idempotent memory */ @@ -90,7 +88,6 @@ #define _PAGE_SOFT_DIRTY _RPAGE_SW3 /* software: software dirty tracking */ #define _PAGE_SPECIAL _RPAGE_SW2 /* software: special page */ -#define _PAGE_DEVMAP _RPAGE_SW1 /* software: ZONE_DEVICE page */ /* * Drivers request for cache inhibited pte mapping using _PAGE_NO_CACHE @@ -104,13 +101,14 @@ * and every thing below PAGE_SHIFT; */ #define PTE_RPN_MASK (((1UL << _PAGE_PA_MAX) - 1) & (PAGE_MASK)) +#define PTE_RPN_SHIFT PAGE_SHIFT /* * set of bits not changed in pmd_modify. Even though we have hash specific bits * in here, on radix we expect them to be zero. */ #define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | H_PAGE_THP_HUGE | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) + _PAGE_SOFT_DIRTY) /* * user access blocked by key */ @@ -124,7 +122,7 @@ */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) + _PAGE_SOFT_DIRTY) /* * We define 2 sets of base prot bits, one for basic pages (ie, @@ -135,23 +133,7 @@ #define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED) #define _PAGE_BASE (_PAGE_BASE_NC) -/* Permission masks used to generate the __P and __S table, - * - * Note:__pgprot is defined in arch/powerpc/include/asm/page.h - * - * Write permissions imply read permissions for now (we could make write-only - * pages on BookE but we don't bother for now). Execute permission control is - * possible on platforms that define _PAGE_EXEC - */ -#define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_PRIVILEGED) -#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW) -#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_EXEC) -#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_READ) -#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_READ | _PAGE_EXEC) -#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_READ) -#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_READ | _PAGE_EXEC) -/* Radix only, Hash uses PAGE_READONLY_X + execute-only pkey instead */ -#define PAGE_EXECONLY __pgprot(_PAGE_BASE | _PAGE_EXEC) +#include <asm/pgtable-masks.h> /* Permission masks used for kernel mappings */ #define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW) @@ -161,7 +143,7 @@ #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * page table defines */ @@ -279,7 +261,37 @@ extern unsigned long __kernel_io_end; extern struct page *vmemmap; extern unsigned long pci_io_base; -#endif /* __ASSEMBLY__ */ + +#define pmd_leaf pmd_leaf +static inline bool pmd_leaf(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + +#define pud_leaf pud_leaf +static inline bool pud_leaf(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + +#define pmd_leaf_size pmd_leaf_size +static inline unsigned long pmd_leaf_size(pmd_t pmd) +{ + if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && !radix_enabled()) + return SZ_16M; + else + return PMD_SIZE; +} + +#define pud_leaf_size pud_leaf_size +static inline unsigned long pud_leaf_size(pud_t pud) +{ + if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && !radix_enabled()) + return SZ_16G; + else + return PUD_SIZE; +} +#endif /* __ASSEMBLER__ */ #include <asm/book3s/64/hash.h> #include <asm/book3s/64/radix.h> @@ -290,11 +302,9 @@ extern unsigned long pci_io_base; #define MAX_PHYSMEM_BITS R_MAX_PHYSMEM_BITS #endif - +/* hash 4k can't share hugetlb and also doesn't support THP */ #ifdef CONFIG_PPC_64K_PAGES #include <asm/book3s/64/pgtable-64k.h> -#else -#include <asm/book3s/64/pgtable-4k.h> #endif #include <asm/barrier.h> @@ -315,34 +325,9 @@ extern unsigned long pci_io_base; #define IOREMAP_START (ioremap_bot) #define IOREMAP_END (KERN_IO_END - FIXADDR_SIZE) #define FIXADDR_SIZE SZ_32M +#define FIXADDR_TOP (IOREMAP_END + FIXADDR_SIZE) -#ifndef __ASSEMBLY__ - -/* - * This is the default implementation of various PTE accessors, it's - * used in all cases except Book3S with 64K pages where we have a - * concept of sub-pages - */ -#ifndef __real_pte - -#define __real_pte(e, p, o) ((real_pte_t){(e)}) -#define __rpte_to_pte(r) ((r).pte) -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> H_PAGE_F_GIX_SHIFT) - -#define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ - do { \ - index = 0; \ - shift = mmu_psize_defs[psize].shift; \ - -#define pte_iterate_hashed_end() } while(0) - -/* - * We expect this to be called only for user addresses or kernel virtual - * addresses other than the linear mapping. - */ -#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K - -#endif /* __real_pte */ +#ifndef __ASSEMBLER__ static inline unsigned long pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long clr, @@ -542,8 +527,8 @@ static inline bool pte_user(pte_t pte) static inline bool pte_access_permitted(pte_t pte, bool write) { /* - * _PAGE_READ is needed for any access and will be - * cleared for PROT_NONE + * _PAGE_READ is needed for any access and will be cleared for + * PROT_NONE. Execute-only mapping via PROT_EXEC also returns false. */ if (!pte_present(pte) || !pte_user(pte) || !pte_read(pte)) return false; @@ -569,11 +554,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) return __pte(((pte_basic_t)pfn << PAGE_SHIFT) | pgprot_val(pgprot) | _PAGE_PTE); } -static inline unsigned long pte_pfn(pte_t pte) -{ - return (pte_val(pte) & PTE_RPN_MASK) >> PAGE_SHIFT; -} - /* Generic modifiers for PTE bits */ static inline pte_t pte_wrprotect(pte_t pte) { @@ -600,7 +580,7 @@ static inline pte_t pte_mkexec(pte_t pte) return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_EXEC)); } -static inline pte_t pte_mkwrite(pte_t pte) +static inline pte_t pte_mkwrite_novma(pte_t pte) { /* * write implies read, hence set both @@ -628,34 +608,6 @@ static inline pte_t pte_mkhuge(pte_t pte) return pte; } -static inline pte_t pte_mkdevmap(pte_t pte) -{ - return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_SPECIAL | _PAGE_DEVMAP)); -} - -static inline pte_t pte_mkprivileged(pte_t pte) -{ - return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_PRIVILEGED)); -} - -static inline pte_t pte_mkuser(pte_t pte) -{ - return __pte_raw(pte_raw(pte) & cpu_to_be64(~_PAGE_PRIVILEGED)); -} - -/* - * This is potentially called with a pmd as the argument, in which case it's not - * safe to check _PAGE_DEVMAP unless we also confirm that _PAGE_PTE is set. - * That's because the bit we use for _PAGE_DEVMAP is not reserved for software - * use in page directory entries (ie. non-ptes). - */ -static inline int pte_devmap(pte_t pte) -{ - u64 mask = cpu_to_be64(_PAGE_DEVMAP | _PAGE_PTE); - - return (pte_raw(pte) & mask) == mask; -} - static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { /* FIXME!! check whether this need to be a conditional */ @@ -722,7 +674,7 @@ static inline pte_t pte_swp_mkexclusive(pte_t pte) return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_SWP_EXCLUSIVE)); } -static inline int pte_swp_exclusive(pte_t pte) +static inline bool pte_swp_exclusive(pte_t pte) { return !!(pte_raw(pte) & cpu_to_be64(_PAGE_SWP_EXCLUSIVE)); } @@ -921,8 +873,29 @@ static inline pud_t pte_pud(pte_t pte) { return __pud_raw(pte_raw(pte)); } + +static inline pte_t *pudp_ptep(pud_t *pud) +{ + return (pte_t *)pud; +} + +#define pud_pfn(pud) pte_pfn(pud_pte(pud)) +#define pud_dirty(pud) pte_dirty(pud_pte(pud)) +#define pud_young(pud) pte_young(pud_pte(pud)) +#define pud_mkold(pud) pte_pud(pte_mkold(pud_pte(pud))) +#define pud_wrprotect(pud) pte_pud(pte_wrprotect(pud_pte(pud))) +#define pud_mkdirty(pud) pte_pud(pte_mkdirty(pud_pte(pud))) +#define pud_mkclean(pud) pte_pud(pte_mkclean(pud_pte(pud))) +#define pud_mkyoung(pud) pte_pud(pte_mkyoung(pud_pte(pud))) +#define pud_mkwrite(pud) pte_pud(pte_mkwrite_novma(pud_pte(pud))) #define pud_write(pud) pte_write(pud_pte(pud)) +#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY +#define pud_soft_dirty(pmd) pte_soft_dirty(pud_pte(pud)) +#define pud_mksoft_dirty(pmd) pte_pud(pte_mksoft_dirty(pud_pte(pud))) +#define pud_clear_soft_dirty(pmd) pte_pud(pte_clear_soft_dirty(pud_pte(pud))) +#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */ + static inline int pud_bad(pud_t pud) { if (radix_enabled()) @@ -997,8 +970,6 @@ static inline pmd_t *pud_pgtable(pud_t pud) return (pmd_t *)__va(pud_val(pud) & ~PUD_MASKED_BITS); } -#define pte_ERROR(e) \ - pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) #define pmd_ERROR(e) \ pr_err("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) #define pud_ERROR(e) \ @@ -1039,16 +1010,6 @@ static inline void vmemmap_remove_mapping(unsigned long start, } #endif -#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) -static inline void __kernel_map_pages(struct page *page, int numpages, int enable) -{ - if (radix_enabled()) - radix__kernel_map_pages(page, numpages, enable); - else - hash__kernel_map_pages(page, numpages, enable); -} -#endif - static inline pte_t pmd_pte(pmd_t pmd) { return __pte_raw(pmd_raw(pmd)); @@ -1071,7 +1032,7 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd) #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd))) #define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd))) #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) -#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd))) +#define pmd_mkwrite_novma(pmd) pte_pmd(pte_mkwrite_novma(pmd_pte(pmd))) #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY #define pmd_soft_dirty(pmd) pte_soft_dirty(pmd_pte(pmd)) @@ -1115,15 +1076,24 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); -extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); +extern pud_t pfn_pud(unsigned long pfn, pgprot_t pgprot); extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot); +extern pud_t pud_modify(pud_t pud, pgprot_t newprot); extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); +extern void set_pud_at(struct mm_struct *mm, unsigned long addr, + pud_t *pudp, pud_t pud); + static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { } +static inline void update_mmu_cache_pud(struct vm_area_struct *vma, + unsigned long addr, pud_t *pud) +{ +} + extern int hash__has_transparent_hugepage(void); static inline int has_transparent_hugepage(void) { @@ -1133,6 +1103,14 @@ static inline int has_transparent_hugepage(void) } #define has_transparent_hugepage has_transparent_hugepage +static inline int has_transparent_pud_hugepage(void) +{ + if (radix_enabled()) + return radix__has_transparent_pud_hugepage(); + return 0; +} +#define has_transparent_pud_hugepage has_transparent_pud_hugepage + static inline unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, unsigned long clr, unsigned long set) @@ -1142,13 +1120,14 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) +static inline unsigned long +pud_hugepage_update(struct mm_struct *mm, unsigned long addr, pud_t *pudp, + unsigned long clr, unsigned long set) { - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); + if (radix_enabled()) + return radix__pud_hugepage_update(mm, addr, pudp, clr, set); + BUG(); + return pud_val(*pudp); } /* @@ -1166,6 +1145,17 @@ static inline int __pmdp_test_and_clear_young(struct mm_struct *mm, return ((old & _PAGE_ACCESSED) != 0); } +static inline int __pudp_test_and_clear_young(struct mm_struct *mm, + unsigned long addr, pud_t *pudp) +{ + unsigned long old; + + if ((pud_raw(*pudp) & cpu_to_be64(_PAGE_ACCESSED | H_PAGE_HASHPTE)) == 0) + return 0; + old = pud_hugepage_update(mm, addr, pudp, _PAGE_ACCESSED, 0); + return ((old & _PAGE_ACCESSED) != 0); +} + #define __HAVE_ARCH_PMDP_SET_WRPROTECT static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) @@ -1174,6 +1164,14 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr, pmd_hugepage_update(mm, addr, pmdp, _PAGE_WRITE, 0); } +#define __HAVE_ARCH_PUDP_SET_WRPROTECT +static inline void pudp_set_wrprotect(struct mm_struct *mm, unsigned long addr, + pud_t *pudp) +{ + if (pud_write(*pudp)) + pud_hugepage_update(mm, addr, pudp, _PAGE_WRITE, 0); +} + /* * Only returns true for a THP. False for pmd migration entry. * We also need to return true when we come across a pte that @@ -1195,6 +1193,17 @@ static inline int pmd_trans_huge(pmd_t pmd) return hash__pmd_trans_huge(pmd); } +static inline int pud_trans_huge(pud_t pud) +{ + if (!pud_present(pud)) + return false; + + if (radix_enabled()) + return radix__pud_trans_huge(pud); + return 0; +} + + #define __HAVE_ARCH_PMD_SAME static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) { @@ -1203,6 +1212,15 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) return hash__pmd_same(pmd_a, pmd_b); } +#define pud_same pud_same +static inline int pud_same(pud_t pud_a, pud_t pud_b) +{ + if (radix_enabled()) + return radix__pud_same(pud_a, pud_b); + return hash__pud_same(pud_a, pud_b); +} + + static inline pmd_t __pmd_mkhuge(pmd_t pmd) { if (radix_enabled()) @@ -1210,6 +1228,14 @@ static inline pmd_t __pmd_mkhuge(pmd_t pmd) return hash__pmd_mkhuge(pmd); } +static inline pud_t __pud_mkhuge(pud_t pud) +{ + if (radix_enabled()) + return radix__pud_mkhuge(pud); + BUG(); + return pud; +} + /* * pfn_pmd return a pmd_t that can be used as pmd pte entry. */ @@ -1225,14 +1251,34 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd) return pmd; } +static inline pud_t pud_mkhuge(pud_t pud) +{ +#ifdef CONFIG_DEBUG_VM + if (radix_enabled()) + WARN_ON((pud_raw(pud) & cpu_to_be64(_PAGE_PTE)) == 0); + else + WARN_ON(1); +#endif + return pud; +} + + #define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS extern int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp, pmd_t entry, int dirty); +#define __HAVE_ARCH_PUDP_SET_ACCESS_FLAGS +extern int pudp_set_access_flags(struct vm_area_struct *vma, + unsigned long address, pud_t *pudp, + pud_t entry, int dirty); #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG extern int pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); +#define __HAVE_ARCH_PUDP_TEST_AND_CLEAR_YOUNG +extern int pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pud_t *pudp); + #define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, @@ -1243,6 +1289,16 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, return hash__pmdp_huge_get_and_clear(mm, addr, pmdp); } +#define __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR +static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm, + unsigned long addr, pud_t *pudp) +{ + if (radix_enabled()) + return radix__pudp_huge_get_and_clear(mm, addr, pudp); + BUG(); + return *pudp; +} + static inline pmd_t pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) { @@ -1257,6 +1313,11 @@ pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp, int full); +#define __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR_FULL +pud_t pudp_huge_get_and_clear_full(struct vm_area_struct *vma, + unsigned long addr, + pud_t *pudp, int full); + #define __HAVE_ARCH_PGTABLE_DEPOSIT static inline void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, pgtable_t pgtable) @@ -1278,6 +1339,8 @@ static inline pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, #define __HAVE_ARCH_PMDP_INVALIDATE extern pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); +extern pud_t pudp_invalidate(struct vm_area_struct *vma, unsigned long address, + pud_t *pudp); #define pmd_move_must_withdraw pmd_move_must_withdraw struct spinlock; @@ -1297,40 +1360,8 @@ static inline bool arch_needs_pgtable_deposit(void) } extern void serialize_against_pte_lookup(struct mm_struct *mm); - -static inline pmd_t pmd_mkdevmap(pmd_t pmd) -{ - if (radix_enabled()) - return radix__pmd_mkdevmap(pmd); - return hash__pmd_mkdevmap(pmd); -} - -static inline int pmd_devmap(pmd_t pmd) -{ - return pte_devmap(pmd_pte(pmd)); -} - -static inline int pud_devmap(pud_t pud) -{ - return 0; -} - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -static inline int pud_pfn(pud_t pud) -{ - /* - * Currently all calls to pud_pfn() are gated around a pud_devmap() - * check so this should never be used. If it grows another user we - * want to know about it. - */ - BUILD_BUG(); - return 0; -} #define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION pte_t ptep_modify_prot_start(struct vm_area_struct *, unsigned long, pte_t *); void ptep_modify_prot_commit(struct vm_area_struct *, unsigned long, @@ -1350,22 +1381,5 @@ static inline bool is_pte_rw_upgrade(unsigned long old_val, unsigned long new_va return false; } -/* - * Like pmd_huge() and pmd_large(), but works regardless of config options - */ -#define pmd_is_leaf pmd_is_leaf -#define pmd_leaf pmd_is_leaf -static inline bool pmd_is_leaf(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - -#define pud_is_leaf pud_is_leaf -#define pud_leaf pud_is_leaf -static inline bool pud_is_leaf(pud_t pud) -{ - return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); -} - -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */ |