X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-ust-abi.h;fp=src%2Fbin%2Flttng-sessiond%2Flttng-ust-abi.h;h=27771e25da55d29ecca9b4a272f16212db8d54d4;hp=81b61492a8ff1144d1c7f17af42fd62d569e0c82;hb=7daee9326d6c79d83d1095b8f732dbed2a3a4516;hpb=ea70e63479617a9fe92c9f370e43e842a31d0489

diff --git a/src/bin/lttng-sessiond/lttng-ust-abi.h b/src/bin/lttng-sessiond/lttng-ust-abi.h
index 81b61492a..27771e25d 100644
--- a/src/bin/lttng-sessiond/lttng-ust-abi.h
+++ b/src/bin/lttng-sessiond/lttng-ust-abi.h
@@ -166,7 +166,7 @@ struct lttng_ust_context {
  */
 #define LTTNG_UST_CHANNEL_ATTR_PADDING	(LTTNG_UST_SYM_NAME_LEN + 32)
 struct lttng_ust_channel_attr {
-	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 */