From: Matt Mackall CONFIG_BASE_SMALL reduce size of pidmap table for small machines Signed-off-by: Matt Mackall Signed-off-by: Andrew Morton --- 25-akpm/include/linux/threads.h | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff -puN include/linux/threads.h~base-small-shrink-pid-tables include/linux/threads.h --- 25/include/linux/threads.h~base-small-shrink-pid-tables 2005-02-02 15:30:57.114260984 -0800 +++ 25-akpm/include/linux/threads.h 2005-02-02 15:30:57.117260528 -0800 @@ -7,7 +7,7 @@ * The default limit for the nr of threads is now in * /proc/sys/kernel/threads-max. */ - + /* * Maximum supported processors that can run under SMP. This value is * set via configure setting. The maximum is equal to the size of the @@ -25,11 +25,12 @@ /* * This controls the default maximum pid allocated to a process */ -#define PID_MAX_DEFAULT 0x8000 +#define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) /* * A maximum of 4 million PIDs should be enough for a while: */ -#define PID_MAX_LIMIT (sizeof(long) > 4 ? 4*1024*1024 : PID_MAX_DEFAULT) +#define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ + (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) #endif _