diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable.h | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index dd0c7236208f..7cd6809f4d33 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -3,11 +3,12 @@ #define _ASM_POWERPC_NOHASH_64_PGTABLE_H /* * This file contains the functions and defines necessary to modify and use - * the ppc64 hashed page table. + * the ppc64 non-hashed page table. */ #include <asm/nohash/64/pgtable-4k.h> #include <asm/barrier.h> +#include <asm/asm-const.h> #ifdef CONFIG_PPC_64K_PAGES #error "Page size not supported" @@ -37,7 +38,7 @@ /* * The vmalloc space starts at the beginning of that region, and - * occupies half of it on hash CPUs and a quarter of it on Book3E + * occupies a quarter of it on Book3E * (we keep a quarter for the virtual memmap) */ #define VMALLOC_START KERN_VIRT_START @@ -77,7 +78,7 @@ /* * Defines the address of the vmemap area, in its own region on - * hash table CPUs and after the vmalloc space on Book3E + * after the vmalloc space on Book3E */ #define VMEMMAP_BASE VMALLOC_END #define VMEMMAP_END KERN_IO_START @@ -247,14 +248,6 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, pte_update(mm, addr, ptep, _PAGE_RW, 0, 1); } -/* - * We currently remove entries from the hashtable regardless of whether - * the entry was young or dirty. The generic routines only flush if the - * entry was young or dirty which is not good enough. - * - * We should be more intelligent about this but for the moment we override - * these functions and force a tlb flush unconditionally - */ #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH #define ptep_clear_flush_young(__vma, __address, __ptep) \ ({ \ @@ -278,9 +271,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, } -/* Set the dirty and/or accessed bits atomically in a linux PTE, this - * function doesn't need to flush the hash entry - */ +/* Set the dirty and/or accessed bits atomically in a linux PTE */ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep, pte_t entry, unsigned long address, |