| #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 that can run under SMP. This value is | |
| * set via configure setting. The maximum is equal to the size of the | |
| * bitmasks used on that platform, i.e. 32 or 64. Setting this smaller | |
| * saves quite a bit of memory. | |
| */ | |
| #ifdef CONFIG_SMP | |
| #define NR_CPUS CONFIG_NR_CPUS | |
| #else | |
| #define NR_CPUS 1 | |
| #endif | |
| #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 |