| #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 |