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-rw-r--r--src/libsystemd/sd-bus/kdbus.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index ae900c2720..3e841f4003 100644
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -494,10 +494,11 @@ enum kdbus_recv_flags {
* broadcast messages that have been lost since the
* last call.
* @msg_size: Filled by the kernel with the actual message size. This
- * mirrors the 'size' member of the message stored at
- * @offset, but allows callers to access it without mapping
- * their pool. By using @msg_size and @offset, you can map
- * only the message itself, not the whole pool.
+ * is the full size of the slice placed at @offset. It
+ * includes the memory used for the kdbus_msg object, but
+ * also for all appended VECs. By using @msg_size and
+ * @offset, you can map a single message, instead of
+ * mapping the whole pool.
*
* This struct is used with the KDBUS_CMD_MSG_RECV ioctl.
*/