Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 89d7c691b93a6a660ee5468ac333a805b049a6f7..e8abb3814209f556a06750af5ba3941ed0796eda 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -894,6 +894,18 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a
 #define pte_lockptr(mm, pmd)   ({(void)(pmd); &(mm)->page_table_lock;})
 #endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
 
+static inline void pgtable_page_ctor(struct page *page)
+{
+       pte_lock_init(page);
+       inc_zone_page_state(page, NR_PAGETABLE);
+}
+
+static inline void pgtable_page_dtor(struct page *page)
+{
+       pte_lock_deinit(page);
+       dec_zone_page_state(page, NR_PAGETABLE);
+}
+
 #define pte_offset_map_lock(mm, pmd, address, ptlp)    \
 ({                                                     \
        spinlock_t *__ptl = pte_lockptr(mm, pmd);       \
@@ -1136,7 +1148,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address,
 #define FOLL_GET       0x04    /* do get_page on page */
 #define FOLL_ANON      0x08    /* give ZERO_PAGE if no pgtable */
 
-typedef int (*pte_fn_t)(pte_t *pte, struct page *pmd_page, unsigned long addr,
+typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
                        void *data);
 extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
                               unsigned long size, pte_fn_t fn, void *data);