From c6e8b587718c486b55c2ebecc6de231a30beba35 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 10 Feb 2005 12:19:59 +0000
Subject: 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>
---
include/asm-mips/pgalloc.h | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
(limited to 'include/asm-mips/pgalloc.h')
diff --git a/include/asm-mips/pgalloc.h b/include/asm-mips/pgalloc.h
index ce57288d43bd..fe1df572318b 100644
--- a/include/asm-mips/pgalloc.h
+++ b/include/asm-mips/pgalloc.h
@@ -25,11 +25,23 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}
+/*
+ * 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;
--
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