X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=mm%2Fmprotect.c;h=3b8f3c0c63f3b948cda9edca535d7aaa65b4a38b;hb=5335a40be6867eff986a31bcd8fc82a5cb1e16bb;hp=955f9d0e38aa3f5f35d09eb2473ce3f565196292;hpb=5ffd1a6aaacc25be8cd0770a51ec6d46add3a276;p=powerpc.git

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);
 }