diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/pgtable.h')
-rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 47b5ffc8715d..63cee159022b 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -212,13 +212,13 @@ extern unsigned long __pte_index_size; extern unsigned long __pmd_index_size; extern unsigned long __pud_index_size; extern unsigned long __pgd_index_size; -extern unsigned long __pmd_cache_index; extern unsigned long __pud_cache_index; #define PTE_INDEX_SIZE __pte_index_size #define PMD_INDEX_SIZE __pmd_index_size #define PUD_INDEX_SIZE __pud_index_size #define PGD_INDEX_SIZE __pgd_index_size -#define PMD_CACHE_INDEX __pmd_cache_index +/* pmd table use page table fragments */ +#define PMD_CACHE_INDEX 0 #define PUD_CACHE_INDEX __pud_cache_index /* * Because of use of pte fragments and THP, size of page table @@ -246,6 +246,12 @@ extern unsigned long __pte_frag_size_shift; #define PTE_FRAG_SIZE_SHIFT __pte_frag_size_shift #define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) +extern unsigned long __pmd_frag_nr; +#define PMD_FRAG_NR __pmd_frag_nr +extern unsigned long __pmd_frag_size_shift; +#define PMD_FRAG_SIZE_SHIFT __pmd_frag_size_shift +#define PMD_FRAG_SIZE (1UL << PMD_FRAG_SIZE_SHIFT) + #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) #define PTRS_PER_PUD (1 << PUD_INDEX_SIZE) @@ -273,6 +279,16 @@ extern unsigned long __pte_frag_size_shift; /* Bits to mask out from a PGD to get to the PUD page */ #define PGD_MASKED_BITS 0xc0000000000000ffUL +/* + * Used as an indicator for rcu callback functions + */ +enum pgtable_index { + PTE_INDEX = 0, + PMD_INDEX, + PUD_INDEX, + PGD_INDEX, +}; + extern unsigned long __vmalloc_start; extern unsigned long __vmalloc_end; #define VMALLOC_START __vmalloc_start @@ -319,9 +335,6 @@ extern unsigned long pci_io_base; /* Advertise special mapping type for AGP */ #define HAVE_PAGE_AGP -/* Advertise support for _PAGE_SPECIAL */ -#define __HAVE_ARCH_PTE_SPECIAL - #ifndef __ASSEMBLY__ /* @@ -751,12 +764,14 @@ static inline bool check_pte_access(unsigned long access, unsigned long ptev) * Generic functions with hash/radix callbacks */ -static inline void __ptep_set_access_flags(struct mm_struct *mm, +static inline void __ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep, pte_t entry, - unsigned long address) + unsigned long address, + int psize) { if (radix_enabled()) - return radix__ptep_set_access_flags(mm, ptep, entry, address); + return radix__ptep_set_access_flags(vma, ptep, entry, + address, psize); return hash__ptep_set_access_flags(ptep, entry); } |