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Revision 9c3340ea7f5dabf88ca096a917cb0ab1f208ef2a authored by Shuah Khan on 12 September 2017, 01:11:07 UTC, committed by Shuah Khan on 25 September 2017, 16:08:49 UTC 
selftests: futex: copy sub-dir test scripts for make O=dir run
 
For make O=dir run_tests to work, test scripts from sub-directories
need to be copied over to the object directory. Running tests from the
object directory is necessary to avoid making the source tree dirty.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
1 parent 1a94068
Raw File
threads.h 
#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))

/*
 * Define a minimum number of pids per cpu.  Heuristically based
 * on original pid max of 32k for 32 cpus.  Also, increase the
 * minimum settable value for pid_max on the running system based
 * on similar defaults.  See kernel/pid.c:pidmap_init() for details.
 */
#define PIDS_PER_CPU_DEFAULT	1024
#define PIDS_PER_CPU_MIN	8

#endif
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