X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=drivers%2Fcpuidle%2Fgovernors%2Fmenu.c;h=ae5a42595e1c620b8a6f1c54e83cc57098219563;hp=daf850250b6aa069ccba0f93819dad637fdd952d;hb=158c12948f3012fbe15f066f308db23502d3db0a;hpb=51a7097426f2243e192df4979c2bf197e6f2ce61;ds=sidebyside diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index daf850250b6a..ae5a42595e1c 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -35,7 +35,6 @@ #define RESOLUTION 1024 #define DECAY 8 #define MAX_INTERESTING 50000 -#define STDDEV_THRESH 400 /* @@ -296,7 +295,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->needs_update = 0; } - data->last_state_idx = 0; + data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; /* Special case when user has set very strict latency requirement */ if (unlikely(latency_req == 0)) @@ -310,13 +309,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->bucket = which_bucket(data->next_timer_us); - /* - * if the correction factor is 0 (eg first time init or cpu hotplug - * etc), we actually want to start out with a unity factor. - */ - if (data->correction_factor[data->bucket] == 0) - data->correction_factor[data->bucket] = RESOLUTION * DECAY; - /* * Force the result of multiplication to be 64 bits even if both * operands are 32 bits. @@ -466,9 +458,17 @@ static int menu_enable_device(struct cpuidle_driver *drv, struct cpuidle_device *dev) { struct menu_device *data = &per_cpu(menu_devices, dev->cpu); + int i; memset(data, 0, sizeof(struct menu_device)); + /* + * if the correction factor is 0 (eg first time init or cpu hotplug + * etc), we actually want to start out with a unity factor. + */ + for(i = 0; i < BUCKETS; i++) + data->correction_factor[i] = RESOLUTION * DECAY; + return 0; }