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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
commit | 34e3b522eca7e8741cecb7c2241091f181d1bd1f (patch) | |
tree | 3b64ac3aa4603539b8f8f384bc39998e29948900 /libdde_linux26/contrib/include/linux/threads.h | |
parent | d4e6a14eb3fad1b43a21214db139db441025baf5 (diff) | |
parent | 6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (diff) |
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde_linux26/contrib/include/linux/threads.h')
-rw-r--r-- | libdde_linux26/contrib/include/linux/threads.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/threads.h b/libdde_linux26/contrib/include/linux/threads.h new file mode 100644 index 00000000..052b12be --- /dev/null +++ b/libdde_linux26/contrib/include/linux/threads.h @@ -0,0 +1,36 @@ +#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. Setting this smaller saves quite a + * bit of memory. Use nr_cpu_ids instead of this except for static bitmaps. + */ +#ifndef CONFIG_NR_CPUS +/* FIXME: This should be fixed in the arch's Kconfig */ +#define CONFIG_NR_CPUS 1 +#endif + +/* Places which use this should consider cpumask_var_t. */ +#define NR_CPUS CONFIG_NR_CPUS + +#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 |