[PATCH] cpuset semaphore depth check optimize

[linux-2.6] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6bf720bc662c41983c1208e2aef409d4e0a276ac..901ac523a1c39fc17cc15d626ffb9cc8aa7f083d 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -360,8 +360,6 @@ int hugetlb_prefault(struct address_space *mapping, struct vm_area_struct *vma)
                        ret = -ENOMEM;
                        goto out;
                }
-               if (! pte_none(*pte))
-                       hugetlb_clean_stale_pgtable(pte);
 
                idx = ((addr - vma->vm_start) >> HPAGE_SHIFT)
                        + (vma->vm_pgoff >> (HPAGE_SHIFT - PAGE_SHIFT));