Messages in this thread Patch in this message | | | Date | Fri, 21 Jan 2005 18:09:48 -0600 | From | Matt Mackall <> | Subject | [PATCH 4/8] core-small: Shrink PID lookup tables |
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CONFIG_CORE_SMALL reduce size of pidmap table for small machines
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: tiny/include/linux/threads.h =================================================================== --- tiny.orig/include/linux/threads.h 2004-12-04 15:42:35.000000000 -0800 +++ tiny/include/linux/threads.h 2004-12-04 19:42:19.032212529 -0800 @@ -25,11 +25,19 @@ /* * This controls the default maximum pid allocated to a process */ +#ifdef CONFIG_CORE_SMALL +#define PID_MAX_DEFAULT 0x1000 +#else #define PID_MAX_DEFAULT 0x8000 +#endif /* * A maximum of 4 million PIDs should be enough for a while: */ +#ifdef CONFIG_CORE_SMALL +#define PID_MAX_LIMIT (PAGE_SIZE*8) /* one pidmap entry */ +#else #define PID_MAX_LIMIT (sizeof(long) > 4 ? 4*1024*1024 : PID_MAX_DEFAULT) +#endif #endif - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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