[PATCH -rt] futex_performance_hack sysctl build fix

-rt adds a futex_performance_hack sysctl, which is only defined if
kernel/futex.c is built in. This fixes the build in the CONFIG_FUTEX=n
case.

Signed-off-by: Paul Mundt <[email protected]>

--

 kernel/sysctl.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.21-rt3/kernel/sysctl.c	2007-05-18 13:27:16.000000000 +0900
+++ linux-2.6.21-rt3-sh/kernel/sysctl.c	2007-05-18 13:41:23.000000000 +0900
@@ -226,6 +226,7 @@
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
+#ifdef CONFIG_FUTEX
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "futex_performance_hack",
@@ -234,6 +235,7 @@
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
+#endif
 	{
 		.ctl_name	= KERN_PANIC,
 		.procname	= "prof_pid",
-
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