summaryrefslogtreecommitdiff
path: root/arch/openrisc/include/asm/pgtable.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/openrisc/include/asm/pgtable.h')
-rw-r--r--arch/openrisc/include/asm/pgtable.h20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index ff97374ca069..21c71303012f 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -94,7 +94,7 @@ extern void paging_init(void);
* 64 MB of vmalloc area is comparable to what's available on other arches.
*/
-#define VMALLOC_START (PAGE_OFFSET-0x04000000)
+#define VMALLOC_START (PAGE_OFFSET-0x04000000UL)
#define VMALLOC_END (PAGE_OFFSET)
#define VMALLOC_VMADDR(x) ((unsigned long)(x))
@@ -414,15 +414,21 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */
-/*
- * or32 doesn't have any external MMU info: the kernel page
- * tables contain all the necessary information.
- *
- * Actually I am not sure on what this could be used for.
- */
+struct vm_area_struct;
+
+static inline void update_tlb(struct vm_area_struct *vma,
+ unsigned long address, pte_t *pte)
+{
+}
+
+extern void update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t *pte);
+
static inline void update_mmu_cache(struct vm_area_struct *vma,
unsigned long address, pte_t *pte)
{
+ update_tlb(vma, address, pte);
+ update_cache(vma, address, pte);
}
/* __PHX__ FIXME, SWAP, this probably doesn't work */