#ifndef _LINUX_THREADS_H #define _LINUX_THREADS_H /* * The default limit for the nr of threads is now in * /proc/sys/kernel/threads-max. */ /* * Maximum supported processors. Setting this smaller saves quite a * bit of memory. Use nr_cpu_ids instead of this except for static bitmaps. */ #ifndef CONFIG_NR_CPUS /* FIXME: This should be fixed in the arch's Kconfig */ #define CONFIG_NR_CPUS 1 #endif /* Places which use this should consider cpumask_var_t. */ #define NR_CPUS CONFIG_NR_CPUS #define MIN_THREADS_LEFT_FOR_ROOT 4 /* * This controls the default maximum pid allocated to a process */ #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) /* * A maximum of 4 million PIDs should be enough for a while. * [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.] */ #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) #endif