X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmprotect.c;h=3b8f3c0c63f3b948cda9edca535d7aaa65b4a38b;hb=f3d73707a1e84f0687a05144b70b660441e999c7;hp=955f9d0e38aa3f5f35d09eb2473ce3f565196292;hpb=e823aff2d6eb43083abcc75a32ddfb167c324089;p=linux-2.6

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 955f9d0e38..3b8f3c0c63 100644
--- 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);
 }