tty: The big operations rework

[linux-2.6-omap-h63xx.git] / include / asm-arm / pgalloc.h

diff --git a/include/asm-arm/pgalloc.h b/include/asm-arm/pgalloc.h
index bc18ff4051813aca50eff2c580ef2e83757b01e4..163b0305dd76b3e83176f294eb204d3a389bd3ad 100644 (file)
--- a/include/asm-arm/pgalloc.h
+++ b/include/asm-arm/pgalloc.h
@@ -10,24 +10,31 @@
 #ifndef _ASMARM_PGALLOC_H
 #define _ASMARM_PGALLOC_H
 
+#include <asm/domain.h>
+#include <asm/pgtable-hwdef.h>
 #include <asm/processor.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
+#define check_pgt_cache()              do { } while (0)
+
+#ifdef CONFIG_MMU
+
+#define _PAGE_USER_TABLE       (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER))
+#define _PAGE_KERNEL_TABLE     (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL))
+
 /*
  * Since we have only two-level page tables, these are trivial
  */
 #define pmd_alloc_one(mm,addr)         ({ BUG(); ((pmd_t *)2); })
-#define pmd_free(pmd)                  do { } while (0)
+#define pmd_free(mm, pmd)              do { } while (0)
 #define pgd_populate(mm,pmd,pte)       BUG()
 
 extern pgd_t *get_pgd_slow(struct mm_struct *mm);
-extern void free_pgd_slow(pgd_t *pgd);
+extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd);
 
 #define pgd_alloc(mm)                  get_pgd_slow(mm)
-#define pgd_free(pgd)                  free_pgd_slow(pgd)
-
-#define check_pgt_cache()              do { } while (0)
+#define pgd_free(mm, pgd)              free_pgd_slow(mm, pgd)
 
 /*
  * Allocate one PTE table.
@@ -59,7 +66,7 @@ pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
        return pte;
 }
 
-static inline struct page *
+static inline pgtable_t
 pte_alloc_one(struct mm_struct *mm, unsigned long addr)
 {
        struct page *pte;
@@ -68,6 +75,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr)
        if (pte) {
                void *page = page_address(pte);
                clean_dcache_area(page, sizeof(pte_t) * PTRS_PER_PTE);
+               pgtable_page_ctor(pte);
        }
 
        return pte;
@@ -76,7 +84,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr)
 /*
  * Free one PTE table.
  */
-static inline void pte_free_kernel(pte_t *pte)
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
        if (pte) {
                pte -= PTRS_PER_PTE;
@@ -84,8 +92,9 @@ static inline void pte_free_kernel(pte_t *pte)
        }
 }
 
-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_page(pte);
 }
 
@@ -116,9 +125,12 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep)
 }
 
 static inline void
-pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep)
+pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep)
 {
        __pmd_populate(pmdp, page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE);
 }
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+#endif /* CONFIG_MMU */
 
 #endif