The patch ajusts kernel internal clock timer to 2000HZ instead of 1000HZ. This is required to decrease response time of some drivers (currently rocket.ko). Author: Igor Yanover Crafted for 2.6.15 by: Michael Goldman --- kernel-2.6.15/include/linux/jiffies.h.orig 2006-02-07 12:59:20.000000000 +0200 +++ kernel-2.6.15/include/linux/jiffies.h 2006-02-07 13:00:50.000000000 +0200 @@ -38,6 +38,8 @@ # define SHIFT_HZ 9 #elif HZ >= 768 && HZ < 1536 # define SHIFT_HZ 10 +#elif HZ >= 1536 && HZ < 3072 +# define SHIFT_HZ 11 #else # error You lose. #endif --- kernel-2.6.15/kernel/Kconfig.hz.orig 2006-01-03 05:21:10.000000000 +0200 +++ kernel-2.6.15/kernel/Kconfig.hz 2006-02-07 18:44:03.000000000 +0200 @@ -36,6 +36,11 @@ 1000 HZ is the preferred choice for desktop systems and other systems requiring fast interactive responses to events. + config HZ_2000 + bool "2000 HZ" + help + 2000 HZ is hand crafted for software realtime. Use on your own risk. + endchoice config HZ @@ -43,4 +48,5 @@ default 100 if HZ_100 default 250 if HZ_250 default 1000 if HZ_1000 + default 2000 if HZ_2000