--- trousers-0.3.11.2/src/tspi/tsp_policy.c.orig
+++ trousers-0.3.11.2/src/tspi/tsp_policy.c
@@ -86,15 +86,13 @@
 int
 pin_mem(void *addr, size_t len)
 {
-	/* only root can lock pages into RAM */
-	if (getuid() != (uid_t)0) {
-		LogWarn("Not pinning secrets in memory due to insufficient perms.");
-		return 0;
-	}
-
 	len += (uintptr_t)addr & PGOFFSET;
 	addr = (void *)((uintptr_t)addr & PGMASK);
 	if (mlock(addr, len) == -1) {
+		if (errno == EPERM) {
+			LogWarn("Not pinning secrets in memory due to insufficient perms.");
+			return 0;
+		}
 		LogError("mlock: %s", strerror(errno));
 		return 1;
 	}
@@ -105,14 +103,12 @@
 int
 unpin_mem(void *addr, size_t len)
 {
-	/* only root can lock pages into RAM */
-	if (getuid() != (uid_t)0) {
-		return 0;
-	}
-
 	len += (uintptr_t)addr & PGOFFSET;
 	addr = (void *)((uintptr_t)addr & PGMASK);
 	if (munlock(addr, len) == -1) {
+		if (errno == EPERM) {
+			return 0;
+		}
 		LogError("mlock: %s", strerror(errno));
 		return 1;
 	}