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authorRalf Baechle <ralf@linux-mips.org>2005-02-10 07:19:59 -0500
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 14:30:31 -0400
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 ce57288d43bd..fe1df572318b 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,
26} 26}
27 27
28/* 28/*
29 * Initialize a new pmd table with invalid pointers.
30 */
31extern void pmd_init(unsigned long page, unsigned long pagetable);
32
33#ifdef CONFIG_64BIT
34
35static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
36{
37 set_pud(pud, __pud((unsigned long)pmd));
38}
39#endif
40
41/*
29 * Initialize a new pgd / pmd table with invalid pointers. 42 * Initialize a new pgd / pmd table with invalid pointers.
30 */ 43 */
31extern void pgd_init(unsigned long page); 44extern void pgd_init(unsigned long page);
32extern void pmd_init(unsigned long page, unsigned long pagetable);
33 45
34static inline pgd_t *pgd_alloc(struct mm_struct *mm) 46static inline pgd_t *pgd_alloc(struct mm_struct *mm)
35{ 47{
@@ -86,21 +98,18 @@ static inline void pte_free(struct page *pte)
86#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) 98#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
87 99
88#ifdef CONFIG_32BIT 100#ifdef CONFIG_32BIT
89#define pgd_populate(mm, pmd, pte) BUG()
90 101
91/* 102/*
92 * allocating and freeing a pmd is trivial: the 1-entry pmd is 103 * allocating and freeing a pmd is trivial: the 1-entry pmd is
93 * inside the pgd, so has no extra memory associated with it. 104 * inside the pgd, so has no extra memory associated with it.
94 */ 105 */
95#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
96#define pmd_free(x) do { } while (0) 106#define pmd_free(x) do { } while (0)
97#define __pmd_free_tlb(tlb,x) do { } while (0) 107#define __pmd_free_tlb(tlb,x) do { } while (0)
108
98#endif 109#endif
99 110
100#ifdef CONFIG_64BIT 111#ifdef CONFIG_64BIT
101 112
102#define pgd_populate(mm, pgd, pmd) set_pgd(pgd, __pgd(pmd))
103
104static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) 113static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
105{ 114{
106 pmd_t *pmd; 115 pmd_t *pmd;