| #ifndef _LINUX_THREADS_H | 
 | #define _LINUX_THREADS_H | 
 |  | 
 | #include <linux/config.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: | 
 |  */ | 
 | #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ | 
 | 	(sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) | 
 |  | 
 | #endif |