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Last change
on this file since 52 was
2,
checked in by jglee, 11 years ago
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first commit
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Property svn:executable set to
*
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File size:
847 bytes
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| 1 | #ifndef _LINUX_THREADS_H |
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| 2 | #define _LINUX_THREADS_H |
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| 3 | |
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| 4 | |
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| 5 | /* |
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| 6 | * The default limit for the nr of threads is now in |
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| 7 | * /proc/sys/kernel/threads-max. |
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| 8 | */ |
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| 9 | |
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| 10 | /* |
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| 11 | * Maximum supported processors that can run under SMP. This value is |
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| 12 | * set via configure setting. The maximum is equal to the size of the |
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| 13 | * bitmasks used on that platform, i.e. 32 or 64. Setting this smaller |
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| 14 | * saves quite a bit of memory. |
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| 15 | */ |
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| 16 | #ifdef CONFIG_SMP |
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| 17 | #define NR_CPUS CONFIG_NR_CPUS |
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| 18 | #else |
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| 19 | #define NR_CPUS 1 |
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| 20 | #endif |
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| 21 | |
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| 22 | #define MIN_THREADS_LEFT_FOR_ROOT 4 |
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| 23 | |
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| 24 | /* |
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| 25 | * This controls the default maximum pid allocated to a process |
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| 26 | */ |
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| 27 | #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) |
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| 28 | |
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| 29 | /* |
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| 30 | * A maximum of 4 million PIDs should be enough for a while: |
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| 31 | */ |
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| 32 | #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ |
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| 33 | (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) |
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| 34 | |
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| 35 | #endif |
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