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Diffstat (limited to 'arch/sparc/include/asm/pgtable_32.h')
-rw-r--r--arch/sparc/include/asm/pgtable_32.h44
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 cbbbed5..6fc1348 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)
{