include/linux/mm.h: complete the mm_walk definition

That nameless-function-arguments thing drives me batty.  Fix.

Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/mm.h

@@ -951,13 +951,19 @@ void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
  * (see walk_page_range for more details)
  */
 struct mm_walk {
-	int (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);
+	int (*pgd_entry)(pgd_t *pgd, unsigned long addr,
-	int (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);
+			 unsigned long next, struct mm_walk *walk);
-	int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);
+	int (*pud_entry)(pud_t *pud, unsigned long addr,
-	int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);
+	                 unsigned long next, struct mm_walk *walk);
-	int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);
+	int (*pmd_entry)(pmd_t *pmd, unsigned long addr,
-	int (*hugetlb_entry)(pte_t *, unsigned long,
+			 unsigned long next, struct mm_walk *walk);
-			     unsigned long, unsigned long, struct mm_walk *);
+	int (*pte_entry)(pte_t *pte, unsigned long addr,
+			 unsigned long next, struct mm_walk *walk);
+	int (*pte_hole)(unsigned long addr, unsigned long next,
+			struct mm_walk *walk);
+	int (*hugetlb_entry)(pte_t *pte, unsigned long hmask,
+			     unsigned long addr, unsigned long next,
+			     struct mm_walk *walk);
 	struct mm_struct *mm;
 	void *private;
 };