1 #ifndef _LINUX_THREADS_H
2 #define _LINUX_THREADS_H
4 #include <linux/config.h>
7 * The default limit for the nr of threads is now in
8 * /proc/sys/kernel/threads-max.
12 * Maximum supported processors that can run under SMP. This value is
13 * set via configure setting. The maximum is equal to the size of the
14 * bitmasks used on that platform, i.e. 32 or 64. Setting this smaller
15 * saves quite a bit of memory.
18 #define NR_CPUS CONFIG_NR_CPUS
23 #define MIN_THREADS_LEFT_FOR_ROOT 4
26 * This controls the default maximum pid allocated to a process
28 #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000)
31 * A maximum of 4 million PIDs should be enough for a while:
33 #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
34 (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))