#define pgd_populate(mm, pgd, pud) \
set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)))
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte)
{
set_pmd(pmd, __pmd(_PAGE_TABLE | (page_to_pfn(pte) << PAGE_SHIFT)));
return (pte_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
}
-static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
{
- void *p = (void *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
+ struct page *page;
+ void *p;
+
+ p = (void *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT);
if (!p)
return NULL;
- return virt_to_page(p);
+ page = virt_to_page(p);
+ pgtable_page_ctor(page);
+ return page;
}
/* Should really implement gc for free page table pages. This could be
free_page((unsigned long)pte);
}
-static inline void pte_free(struct mm_struct *mm, struct page *pte)
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
{
+ pgtable_page_dtor(pte);
__free_page(pte);
}
-#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)
#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))
#define __pud_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))