[MIPS] TXx9: Make tx3927-specific code more independent

[safe/jmp/linux-2.6] / include / asm-mips / pgalloc.h

diff --git a/include/asm-mips/pgalloc.h b/include/asm-mips/pgalloc.h
index af121c6..1275831 100644 (file)
--- a/include/asm-mips/pgalloc.h
+++ b/include/asm-mips/pgalloc.h
@@ -11,6 +11,7 @@
 
 #include <linux/highmem.h>
 #include <linux/mm.h>
+#include <linux/sched.h>
 
 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
        pte_t *pte)
@@ -19,10 +20,11 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
 }
 
 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
-       struct page *pte)
+       pgtable_t pte)
 {
        set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
 }
+#define pmd_pgtable(pmd) pmd_page(pmd)
 
 /*
  * Initialize a new pmd table with invalid pointers.
@@ -57,7 +59,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
        return ret;
 }
 
-static inline void pgd_free(pgd_t *pgd)
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
        free_pages((unsigned long)pgd, PGD_ORDER);
 }
@@ -78,23 +80,29 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
        struct page *pte;
 
        pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
-       if (pte)
+       if (pte) {
                clear_highpage(pte);
-
+               pgtable_page_ctor(pte);
+       }
        return pte;
 }
 
-static inline void pte_free_kernel(pte_t *pte)
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
        free_pages((unsigned long)pte, PTE_ORDER);
 }
 
-static inline void pte_free(struct page *pte)
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
 {
+       pgtable_page_dtor(pte);
        __free_pages(pte, PTE_ORDER);
 }
 
-#define __pte_free_tlb(tlb,pte)                tlb_remove_page((tlb),(pte))
+#define __pte_free_tlb(tlb,pte)                                \
+do {                                                   \
+       pgtable_page_dtor(pte);                         \
+       tlb_remove_page((tlb), pte);                    \
+} while (0)
 
 #ifdef CONFIG_32BIT
 
@@ -102,8 +110,8 @@ static inline void pte_free(struct page *pte)
  * 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_free(x)                    do { } while (0)
-#define __pmd_free_tlb(tlb,x)          do { } while (0)
+#define pmd_free(mm, x)                        do { } while (0)
+#define __pmd_free_tlb(tlb, x)         do { } while (0)
 
 #endif
 
@@ -119,15 +127,17 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
        return pmd;
 }
 
-static inline void pmd_free(pmd_t *pmd)
+static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 {
        free_pages((unsigned long)pmd, PMD_ORDER);
 }
 
-#define __pmd_free_tlb(tlb,x)  pmd_free(x)
+#define __pmd_free_tlb(tlb, x) pmd_free((tlb)->mm, x)
 
 #endif
 
 #define check_pgt_cache()      do { } while (0)
 
+extern void pagetable_init(void);
+
 #endif /* _ASM_PGALLOC_H */