unsigned long u_vaddr, struct vm_area_struct *vma);
void clear_user_page(void *to, unsigned long u_vaddr, struct page *page);
-#undef STRICT_MM_TYPECHECKS
-
-#ifdef STRICT_MM_TYPECHECKS
-/*
- * These are used to make use of C type-checking..
- */
-typedef struct {
-#ifdef CONFIG_ARC_HAS_PAE40
- unsigned long long pte;
-#else
- unsigned long pte;
-#endif
-} pte_t;
typedef struct {
unsigned long pgd;
} pgd_t;
+
+#define pgd_val(x) ((x).pgd)
+#define __pgd(x) ((pgd_t) { (x) })
+
+#if CONFIG_PGTABLE_LEVELS > 3
+
typedef struct {
- unsigned long pgprot;
-} pgprot_t;
+ unsigned long pud;
+} pud_t;
-#define pte_val(x) ((x).pte)
-#define pgd_val(x) ((x).pgd)
-#define pgprot_val(x) ((x).pgprot)
+#define pud_val(x) ((x).pud)
+#define __pud(x) ((pud_t) { (x) })
-#define __pte(x) ((pte_t) { (x) })
-#define __pgd(x) ((pgd_t) { (x) })
-#define __pgprot(x) ((pgprot_t) { (x) })
+#endif
+
+#if CONFIG_PGTABLE_LEVELS > 2
-#define pte_pgprot(x) __pgprot(pte_val(x))
+typedef struct {
+ unsigned long pmd;
+} pmd_t;
-#else /* !STRICT_MM_TYPECHECKS */
+#define pmd_val(x) ((x).pmd)
+#define __pmd(x) ((pmd_t) { (x) })
+#endif
+
+typedef struct {
#ifdef CONFIG_ARC_HAS_PAE40
-typedef unsigned long long pte_t;
+ unsigned long long pte;
#else
-typedef unsigned long pte_t;
+ unsigned long pte;
#endif
-typedef unsigned long pgd_t;
-typedef unsigned long pgprot_t;
+} pte_t;
-#define pte_val(x) (x)
-#define pgd_val(x) (x)
-#define pgprot_val(x) (x)
-#define __pte(x) (x)
-#define __pgd(x) (x)
-#define __pgprot(x) (x)
-#define pte_pgprot(x) (x)
+#define pte_val(x) ((x).pte)
+#define __pte(x) ((pte_t) { (x) })
-#endif
+typedef struct {
+ unsigned long pgprot;
+} pgprot_t;
+
+#define pgprot_val(x) ((x).pgprot)
+#define __pgprot(x) ((pgprot_t) { (x) })
+#define pte_pgprot(x) __pgprot(pte_val(x))
-typedef pte_t * pgtable_t;
+typedef struct page *pgtable_t;
/*
* Use virt_to_pfn with caution:
* virt here means link-address/program-address as embedded in object code.
* And for ARC, link-addr = physical address
*/
-#define __pa(vaddr) ((unsigned long)(vaddr))
-#define __va(paddr) ((void *)((unsigned long)(paddr)))
+#define __pa(vaddr) ((unsigned long)(vaddr))
+#define __va(paddr) ((void *)((unsigned long)(paddr)))
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))