vserver 1.9.3

[linux-2.6.git] / arch / ppc / kernel / idle.c

diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 5adb6be..6db80f6 100644 (file)
--- a/arch/ppc/kernel/idle.c
+++ b/arch/ppc/kernel/idle.c
@@ -21,6 +21,7 @@
 #include <linux/unistd.h>
 #include <linux/ptrace.h>
 #include <linux/slab.h>
+#include <linux/sysctl.h>
 
 #include <asm/pgtable.h>
 #include <asm/uaccess.h>
@@ -65,3 +66,36 @@ int cpu_idle(void)
                        default_idle();
        return 0;
 }
+
+#if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx)
+/*
+ * Register the sysctl to set/clear powersave_nap.
+ */
+extern unsigned long powersave_nap;
+
+static ctl_table powersave_nap_ctl_table[]={
+       {
+               .ctl_name       = KERN_PPC_POWERSAVE_NAP,
+               .procname       = "powersave-nap",
+               .data           = &powersave_nap,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+       { 0, },
+};
+static ctl_table powersave_nap_sysctl_root[] = {
+       { 1, "kernel", NULL, 0, 0755, powersave_nap_ctl_table, },
+       { 0,},
+};
+
+static int __init
+register_powersave_nap_sysctl(void)
+{
+       register_sysctl_table(powersave_nap_sysctl_root, 0);
+
+       return 0;
+}
+
+__initcall(register_powersave_nap_sysctl);
+#endif