X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fprofile.c;h=5e95330e51207c48a043b2675b1d015d48d0f488;hb=54561783ee99d73a086f3abbda3e44f87f6bf65b;hp=631b75c25d7ed40c9a38b4e52244f58f4436d74b;hpb=347c53dca73fca317d57781f510f5ff4f6c0d0d7;p=linux-2.6

diff --git a/kernel/profile.c b/kernel/profile.c
index 631b75c25d..5e95330e51 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -60,6 +60,7 @@ static int __init profile_setup(char * str)
 	int par;
 
 	if (!strncmp(str, sleepstr, strlen(sleepstr))) {
+#ifdef CONFIG_SCHEDSTATS
 		prof_on = SLEEP_PROFILING;
 		if (str[strlen(sleepstr)] == ',')
 			str += strlen(sleepstr) + 1;
@@ -68,6 +69,10 @@ static int __init profile_setup(char * str)
 		printk(KERN_INFO
 			"kernel sleep profiling enabled (shift: %ld)\n",
 			prof_shift);
+#else
+		printk(KERN_WARNING
+			"kernel sleep profiling requires CONFIG_SCHEDSTATS\n");
+#endif /* CONFIG_SCHEDSTATS */
 	} else if (!strncmp(str, schedstr, strlen(schedstr))) {
 		prof_on = SCHED_PROFILING;
 		if (str[strlen(schedstr)] == ',')