From 7ad226a285b751f486b657b2ab16204c2a33e925 Mon Sep 17 00:00:00 2001 From: Matt Mackall Date: Mon, 7 Mar 2005 18:03:40 -0800 Subject: [PATCH] base-small: shrink PID tables CONFIG_BASE_SMALL reduce size of pidmap table for small machines Signed-off-by: Matt Mackall Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/threads.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'include/linux') diff --git a/include/linux/threads.h b/include/linux/threads.h index 4243c55cce87..b59738ac6197 100644 --- a/include/linux/threads.h +++ b/include/linux/threads.h @@ -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 -- cgit v1.2.3