Root/
1 | #ifndef _LINUX_THREADS_H |
2 | #define _LINUX_THREADS_H |
3 | |
4 | |
5 | /* |
6 | * The default limit for the nr of threads is now in |
7 | * /proc/sys/kernel/threads-max. |
8 | */ |
9 | |
10 | /* |
11 | * Maximum supported processors. Setting this smaller saves quite a |
12 | * bit of memory. Use nr_cpu_ids instead of this except for static bitmaps. |
13 | */ |
14 | #ifndef CONFIG_NR_CPUS |
15 | /* FIXME: This should be fixed in the arch's Kconfig */ |
16 | #define CONFIG_NR_CPUS 1 |
17 | #endif |
18 | |
19 | /* Places which use this should consider cpumask_var_t. */ |
20 | #define NR_CPUS CONFIG_NR_CPUS |
21 | |
22 | #define MIN_THREADS_LEFT_FOR_ROOT 4 |
23 | |
24 | /* |
25 | * This controls the default maximum pid allocated to a process |
26 | */ |
27 | #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) |
28 | |
29 | /* |
30 | * A maximum of 4 million PIDs should be enough for a while. |
31 | * [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.] |
32 | */ |
33 | #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ |
34 | (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) |
35 | |
36 | /* |
37 | * Define a minimum number of pids per cpu. Heuristically based |
38 | * on original pid max of 32k for 32 cpus. Also, increase the |
39 | * minimum settable value for pid_max on the running system based |
40 | * on similar defaults. See kernel/pid.c:pidmap_init() for details. |
41 | */ |
42 | #define PIDS_PER_CPU_DEFAULT 1024 |
43 | #define PIDS_PER_CPU_MIN 8 |
44 | |
45 | #endif |
46 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9