mm, hugetlb: convert hugetlbfs to use split pmd lock

[linux-2.6-block.git] / mm / pgtable-generic.c

diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 3929a40bd6c0a6d618d0dc0136fe6aecaad08628..41fee3e5d57005943c0cbae7f7a7ddace15e1d04 100644 (file)
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -154,11 +154,11 @@ void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
        assert_spin_locked(&mm->page_table_lock);
 
        /* FIFO */
-       if (!mm->pmd_huge_pte)
+       if (!pmd_huge_pte(mm, pmdp))
                INIT_LIST_HEAD(&pgtable->lru);
        else
-               list_add(&pgtable->lru, &mm->pmd_huge_pte->lru);
-       mm->pmd_huge_pte = pgtable;
+               list_add(&pgtable->lru, &pmd_huge_pte(mm, pmdp)->lru);
+       pmd_huge_pte(mm, pmdp) = pgtable;
 }
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 #endif
@@ -173,11 +173,11 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp)
        assert_spin_locked(&mm->page_table_lock);
 
        /* FIFO */
-       pgtable = mm->pmd_huge_pte;
+       pgtable = pmd_huge_pte(mm, pmdp);
        if (list_empty(&pgtable->lru))
-               mm->pmd_huge_pte = NULL;
+               pmd_huge_pte(mm, pmdp) = NULL;
        else {
-               mm->pmd_huge_pte = list_entry(pgtable->lru.next,
+               pmd_huge_pte(mm, pmdp) = list_entry(pgtable->lru.next,
                                              struct page, lru);
                list_del(&pgtable->lru);
        }