Don't you break sched_find_first_bit() , seems it's dependent on a 140-bit bitmap .
Daniel On Wed, 2005-07-27 at 10:13 -0400, Steven Rostedt wrote: > The following patch makes the MAX_RT_PRIO and MAX_USER_RT_PRIO > configurable from the make *config. This is more of a proposal since > I'm not really sure where in Kconfig this would best fit. I don't see > why these options shouldn't be user configurable without going into the > kernel headers to change them. > > Also, is there a way in the Kconfig to force the checking of > MAX_USER_RT_PRIO <= MAX_RT_PRIO? > > -- Steve > > (Patched against 2.6.12.2) > > Index: vanilla_kernel/include/linux/sched.h > =================================================================== > --- vanilla_kernel/include/linux/sched.h (revision 263) > +++ vanilla_kernel/include/linux/sched.h (working copy) > @@ -389,9 +389,13 @@ > * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO. > */ > > -#define MAX_USER_RT_PRIO 100 > -#define MAX_RT_PRIO MAX_USER_RT_PRIO > +#define MAX_USER_RT_PRIO CONFIG_MAX_USER_RT_PRIO > +#define MAX_RT_PRIO CONFIG_MAX_RT_PRIO > > +#if MAX_USER_RT_PRIO > MAX_RT_PRIO > +#error MAX_USER_RT_PRIO must not be greater than MAX_RT_PRIO > +#endif > + > #define MAX_PRIO (MAX_RT_PRIO + 40) > > #define rt_task(p) (unlikely((p)->prio < MAX_RT_PRIO)) > Index: vanilla_kernel/init/Kconfig > =================================================================== > --- vanilla_kernel/init/Kconfig (revision 263) > +++ vanilla_kernel/init/Kconfig (working copy) > @@ -162,6 +162,32 @@ > building a kernel for install/rescue disks or your system is very > limited in memory. > > +config MAX_RT_PRIO > + int "Maximum RT priority" > + default 100 > + help > + The real-time priority of threads that have the policy of SCHED_FIFO > + or SCHED_RR have a priority higher than normal threads. This range > + can be set here, where the range starts from 0 to MAX_RT_PRIO-1. > + If this range is higher than MAX_USER_RT_PRIO than kernel threads > + may have a higher priority than any user thread. > + > + This may be the same as MAX_USER_RT_PRIO, but do not set this > + to be less than MAX_USER_RT_PRIO. > + > +config MAX_USER_RT_PRIO > + int "Maximum User RT priority" > + default 100 > + help > + The real-time priority of threads that have the policy of SCHED_FIFO > + or SCHED_RR have a priority higher than normal threads. This range > + can be set here, where the range starts from 0 to MAX_USER_RT_PRIO-1. > + If this range is lower than MAX_RT_PRIO, than kernel threads may have > + a higher priority than any user thread. > + > + This may be the same as MAX_RT_PRIO, but do not set this to be > + greater than MAX_RT_PRIO. > + > config AUDIT > bool "Auditing support" > default y if SECURITY_SELINUX > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
