cgroup: Do not emit compat message without memory limit

Previously mere MemoryLow= directive would lead to emitting the compat
message 'Applying MemoryMax=18446744073709551615 as MemoryLimit=' even
though it carries little information.

diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index e04b903d5c85273b1e009b535425bc1cfe9d8e12..7f3782ae4139afe45d842ebac23d7043381e9825 100644 (file)
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -1651,7 +1651,8 @@ static void cgroup_context_apply(
 
                         if (unit_has_unified_memory_config(u)) {
                                 val = c->memory_max;
-                                log_cgroup_compat(u, "Applying MemoryMax=%" PRIu64 " as MemoryLimit=", val);
+                                if (val != CGROUP_LIMIT_MAX)
+                                        log_cgroup_compat(u, "Applying MemoryMax=%" PRIu64 " as MemoryLimit=", val);
                         } else
                                 val = c->memory_limit;