diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index b6cb064..e4e3f04 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -155,7 +155,7 @@
 			spin_lock(&mq_lock);
 			if (u->mq_bytes + mq_bytes < u->mq_bytes ||
 		 	    u->mq_bytes + mq_bytes >
-			    p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur) {
+			    task_rlimit(p, RLIMIT_MSGQUEUE)) {
 				spin_unlock(&mq_lock);
 				kfree(info->messages);
 				goto out_inode;
diff --git a/ipc/shm.c b/ipc/shm.c
index 23256b8..1a314c8 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -764,8 +764,7 @@
 			if (euid != shp->shm_perm.uid &&
 			    euid != shp->shm_perm.cuid)
 				goto out_unlock;
-			if (cmd == SHM_LOCK &&
-			    !current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur)
+			if (cmd == SHM_LOCK && !rlimit(RLIMIT_MEMLOCK))
 				goto out_unlock;
 		}