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Subject[Patch 4/4] cpusets top mask just online, not all possible
Initialize the top cpuset to only have the online
CPUs and Nodes, rather than all possible. This
seems more natural to the observer.

Signed-off-by: Paul Jackson <pj@sgi.com>

Index: 2.6.9-rc1-mm4/kernel/cpuset.c
===================================================================
--- 2.6.9-rc1-mm4.orig/kernel/cpuset.c 2004-09-10 15:27:30.000000000 -0700
+++ 2.6.9-rc1-mm4/kernel/cpuset.c 2004-09-10 15:27:32.000000000 -0700
@@ -1271,7 +1271,9 @@ int __init cpuset_init(void)
struct dentry *root;
int err;

- top_cpuset.mems_allowed = node_possible_map;
+ top_cpuset.cpus_allowed = CPU_MASK_ALL;
+ top_cpuset.mems_allowed = NODE_MASK_ALL;
+
atomic_inc(&cpuset_mems_generation);
top_cpuset.mems_generation = atomic_read(&cpuset_mems_generation);

@@ -1300,12 +1302,13 @@ out:
/**
* cpuset_init_smp - initialize cpus_allowed
*
- * Description: Initialize cpus_allowed after cpu_possible_map is initialized
+ * Description: Finish top cpuset after cpu, node maps are initialized
**/

void __init cpuset_init_smp(void)
{
- top_cpuset.cpus_allowed = cpu_possible_map;
+ top_cpuset.cpus_allowed = cpu_online_map;
+ top_cpuset.mems_allowed = node_online_map;
}

/**
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.650.933.1373
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