diff options
Diffstat (limited to 'arch/sparc/include/asm/pgtable_32.h')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_32.h | 44 | 
1 files changed, 3 insertions, 41 deletions
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index cbbbed5cb3a..6fc13483f70 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -52,8 +52,9 @@ extern unsigned long calc_highpages(void);  #define PAGE_READONLY	SRMMU_PAGE_RDONLY  #define PAGE_KERNEL	SRMMU_PAGE_KERNEL -/* Top-level page directory */ -extern pgd_t swapper_pg_dir[1024]; +/* Top-level page directory - dummy used by init-mm. + * srmmu.c will assign the real one (which is dynamically sized) */ +#define swapper_pg_dir NULL  extern void paging_init(void); @@ -78,8 +79,6 @@ extern unsigned long ptr_in_current_pgd;  #define __S110	PAGE_SHARED  #define __S111	PAGE_SHARED -extern int num_contexts; -  /* First physical page can be anywhere, the following is needed so that   * va-->pa and vice versa conversions work properly without performance   * hit for all __pa()/__va() operations. @@ -88,18 +87,11 @@ extern unsigned long phys_base;  extern unsigned long pfn_base;  /* - * BAD_PAGETABLE is used when we need a bogus page-table, while - * BAD_PAGE is used for a bogus page. - *   * ZERO_PAGE is a global shared page that is always zero: used   * for zero-mapped memory areas etc..   */ -extern pte_t * __bad_pagetable(void); -extern pte_t __bad_page(void);  extern unsigned long empty_zero_page; -#define BAD_PAGETABLE __bad_pagetable() -#define BAD_PAGE __bad_page()  #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))  /* @@ -398,36 +390,6 @@ static inline pte_t pgoff_to_pte(unsigned long pgoff)   */  #define PTE_FILE_MAX_BITS 24 -/* - */ -struct ctx_list { -	struct ctx_list *next; -	struct ctx_list *prev; -	unsigned int ctx_number; -	struct mm_struct *ctx_mm; -}; - -extern struct ctx_list *ctx_list_pool;  /* Dynamically allocated */ -extern struct ctx_list ctx_free;        /* Head of free list */ -extern struct ctx_list ctx_used;        /* Head of used contexts list */ - -#define NO_CONTEXT     -1 - -static inline void remove_from_ctx_list(struct ctx_list *entry) -{ -	entry->next->prev = entry->prev; -	entry->prev->next = entry->next; -} - -static inline void add_to_ctx_list(struct ctx_list *head, struct ctx_list *entry) -{ -	entry->next = head; -	(entry->prev = head->prev)->next = entry; -	head->prev = entry; -} -#define add_to_free_ctxlist(entry) add_to_ctx_list(&ctx_free, entry) -#define add_to_used_ctxlist(entry) add_to_ctx_list(&ctx_used, entry) -  static inline unsigned long  __get_phys (unsigned long addr)  {  |