diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7f27db6..a0c80c7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -104,10 +104,11 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_MAPPED_COPY	0x01000000	/* T if mapped copy of data (nommu mmap) */
 #define VM_INSERTPAGE	0x02000000	/* The vma has had "vm_insert_page()" done on it */
 #define VM_ALWAYSDUMP	0x04000000	/* Always include in core dumps */
-#define VM_PINNED	0x08000000	/* Disable faults for the vma */
 
 #define VM_CAN_NONLINEAR 0x08000000	/* Has ->fault & does nonlinear pages */
 
+#define VM_PINNED	0x10000000	/* Disable faults for the vma */
+
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
 #endif
diff --git a/mm/memory.c b/mm/memory.c
index e0e7a3d..32d6cb6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -584,8 +584,14 @@ again:
 			if (is_cow_mapping(vma->vm_flags)) {
 				if (((vma->vm_flags|src_mm->def_flags) & (VM_LOCKED|VM_PINNED))
 				    == (VM_LOCKED|VM_PINNED)) {
+				    	arch_leave_lazy_mmu_mode();
+				    	spin_unlock(src_ptl);
+				    	pte_unmap_nested(src_pte);
+				    	add_mm_rss(dst_mm, rss[0], rss[1]);
+				    	pte_unmap_unlock(dst_pte, dst_ptl);
+				    	cond_resched();
 					do_cow_break = 1;
-					break;
+					goto again;
 				}
 			}
 		}