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authorRalf Baechle <ralf@linux-mips.org>2005-02-10 12:19:59 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:31 +0100
commitc6e8b587718c486b55c2ebecc6de231a30beba35 (patch)
tree7c6162d449c69fb6425bd27ba341e2d874fb0a1b /include/asm-mips/pgalloc.h
parent57f0060b8a2bb2a70a4cce1a37d5e0158cea92a6 (diff)
Update MIPS to use the 4-level pagetable code thereby getting rid of
the compacrapability headers. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/pgalloc.h')
-rw-r--r--include/asm-mips/pgalloc.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/include/asm-mips/pgalloc.h b/include/asm-mips/pgalloc.h
index ce57288d43b..fe1df572318 100644
--- a/include/asm-mips/pgalloc.h
+++ b/include/asm-mips/pgalloc.h
@@ -26,10 +26,22 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
}
/*
+ * Initialize a new pmd table with invalid pointers.
+ */
+extern void pmd_init(unsigned long page, unsigned long pagetable);
+
+#ifdef CONFIG_64BIT
+
+static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+{
+ set_pud(pud, __pud((unsigned long)pmd));
+}
+#endif
+
+/*
* Initialize a new pgd / pmd table with invalid pointers.
*/
extern void pgd_init(unsigned long page);
-extern void pmd_init(unsigned long page, unsigned long pagetable);
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
@@ -86,21 +98,18 @@ static inline void pte_free(struct page *pte)
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
#ifdef CONFIG_32BIT
-#define pgd_populate(mm, pmd, pte) BUG()
/*
* allocating and freeing a pmd is trivial: the 1-entry pmd is
* inside the pgd, so has no extra memory associated with it.
*/
-#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
#define pmd_free(x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
+
#endif
#ifdef CONFIG_64BIT
-#define pgd_populate(mm, pgd, pmd) set_pgd(pgd, __pgd(pmd))
-
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
pmd_t *pmd;