From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- libdde_linux26/contrib/include/linux/threads.h | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libdde_linux26/contrib/include/linux/threads.h (limited to 'libdde_linux26/contrib/include/linux/threads.h') 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 -- cgit v1.2.3