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-rw-r--r--src/nspawn/nspawn.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index e4be0a2251..32e40f5d21 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -101,9 +101,11 @@
#include "util.h"
/* Note that devpts's gid= parameter parses GIDs as signed values, hence we stay away from the upper half of the 32bit
- * UID range here */
+ * UID range here. We leave a bit of room at the lower end and a lot of room at the upper end, so that other subsystems
+ * may have their own allocation ranges too. */
#define UID_SHIFT_PICK_MIN ((uid_t) UINT32_C(0x00080000))
#define UID_SHIFT_PICK_MAX ((uid_t) UINT32_C(0x6FFF0000))
+
/* nspawn is listening on the socket at the path in the constant nspawn_notify_socket_path
* nspawn_notify_socket_path is relative to the container
* the init process in the container pid can send messages to nspawn following the sd_notify(3) protocol */