]> git.ipfire.org Git - thirdparty/systemd.git/commitdiff
sd-event: Add comment in event_source_offline() for memory pressure
authorDaan De Meyer <daan.j.demeyer@gmail.com>
Fri, 14 Nov 2025 11:11:21 +0000 (12:11 +0100)
committerDaan De Meyer <daan.j.demeyer@gmail.com>
Fri, 14 Nov 2025 14:18:33 +0000 (15:18 +0100)
Follow up for d0ddb0aafb2c678382aad04ff6eafaac86749857

src/libsystemd/sd-event/sd-event.c

index 94b178eafd9d0a16548a9a1632aaf519366646a9..20a9c5c12b8b00ac6cb6970aacfd6df88b7f6e90 100644 (file)
@@ -2988,6 +2988,8 @@ static int event_source_online(
                 break;
 
         case SOURCE_MEMORY_PRESSURE:
+                /* As documented in sd_event_add_memory_pressure(), we can only register the PSI fd with
+                 * epoll after writing the watch string. */
                 if (s->memory_pressure.write_buffer_size == 0) {
                         r = source_memory_pressure_register(s, enabled);
                         if (r < 0)