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-rw-r--r--util-linux/ionice.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/util-linux/ionice.c b/util-linux/ionice.c
index c8fb1a7..ff5177a 100644
--- a/util-linux/ionice.c
+++ b/util-linux/ionice.c
@@ -18,7 +18,8 @@
//kbuild:lib-$(CONFIG_IONICE) += ionice.o
//usage:#define ionice_trivial_usage
-//usage: "[-c 1-3] [-n 0-7] [-p PID] [PROG ARGS]"
+//usage: "[-c 1-3] [-n 0-7] { -p PID | PROG ARGS }"
+//TODO: | -P PGID | -u UID; also -pPu can take _list of_ IDs
//usage:#define ionice_full_usage "\n\n"
//usage: "Change I/O priority and class\n"
//usage: "\n -c N Class. 1:realtime 2:best-effort 3:idle"