X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-ust-ctl.h;h=3d20c38a1541e0766b6216c92704329426f4dae6;hb=30c6ce92983318886a7779fe29418d5824d50092;hp=7f59b86665523610b30a9d561ff326ef36521ca2;hpb=13b1be7975df906a64050f789ad03e8b940ebb49;p=lttng-tools.git

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 */