Merge branch 'upstream-linus2' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[sfrench/cifs-2.6.git] / mm / mprotect.c

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 955f9d0e38aa3f5f35d09eb2473ce3f565196292..3b8f3c0c63f3b948cda9edca535d7aaa65b4a38b 100644 (file)
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -34,6 +34,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
        spinlock_t *ptl;
 
        pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
+       arch_enter_lazy_mmu_mode();
        do {
                oldpte = *pte;
                if (pte_present(oldpte)) {
@@ -70,6 +71,7 @@ static void change_pte_range(struct mm_struct *mm, pmd_t *pmd,
                }
 
        } while (pte++, addr += PAGE_SIZE, addr != end);
+       arch_leave_lazy_mmu_mode();
        pte_unmap_unlock(pte - 1, ptl);
 }