X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-ust-ctl.h;h=3d20c38a1541e0766b6216c92704329426f4dae6;hp=7f59b86665523610b30a9d561ff326ef36521ca2;hb=7daee9326d6c79d83d1095b8f732dbed2a3a4516;hpb=ea70e63479617a9fe92c9f370e43e842a31d0489

diff --git a/src/bin/lttng-sessiond/lttng-ust-ctl.h b/src/bin/lttng-sessiond/lttng-ust-ctl.h
index 7f59b8666..3d20c38a1 100644
--- a/src/bin/lttng-sessiond/lttng-ust-ctl.h
+++ b/src/bin/lttng-sessiond/lttng-ust-ctl.h
@@ -45,7 +45,7 @@ struct lttng_ust_lib_ring_buffer;
 
 struct ustctl_consumer_channel_attr {
 	enum lttng_ust_chan_type type;
-	uint64_t subbuf_size;			/* bytes */
+	uint64_t subbuf_size;			/* bytes, power of 2 */
 	uint64_t num_subbuf;			/* power of 2 */
 	int overwrite;				/* 1: overwrite, 0: discard */
 	unsigned int switch_timer_interval;	/* usec */