Commit ba89e64d authored by Jesse Barnes's avatar Jesse Barnes Committed by David Mosberger

[PATCH] ia64: fix topology init

Populate topology directories correctly now that NUMA kernels work.
parent ba1b98db
......@@ -11,12 +11,19 @@
*/
#include <linux/config.h>
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/memblk.h>
#include <linux/mm.h>
#include <linux/node.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <asm/numa.h>
static struct memblk *sysfs_memblks;
static struct node *sysfs_nodes;
static struct cpu *sysfs_cpus;
/*
* The following structures are usually initialized by ACPI or
* similar mechanisms and describe the NUMA characteristics of the machine.
......@@ -43,3 +50,49 @@ paddr_to_nid(unsigned long paddr)
return (i < num_memblks) ? node_memblk[i].nid : (num_memblks ? -1 : 0);
}
static int __init topology_init(void)
{
int i, err = 0;
sysfs_nodes = kmalloc(sizeof(struct node) * numnodes, GFP_KERNEL);
if (!sysfs_nodes) {
err = -ENOMEM;
goto out;
}
sysfs_memblks = kmalloc(sizeof(struct memblk) * num_memblks,
GFP_KERNEL);
if (!sysfs_memblks) {
kfree(sysfs_nodes);
err = -ENOMEM;
goto out;
}
sysfs_cpus = kmalloc(sizeof(struct cpu) * NR_CPUS, GFP_KERNEL);
if (!sysfs_cpus) {
kfree(sysfs_memblks);
kfree(sysfs_nodes);
err = -ENOMEM;
goto out;
}
for (i = 0; i < numnodes; i++)
if ((err = register_node(&sysfs_nodes[i], i, 0)))
goto out;
for (i = 0; i < num_memblks; i++)
if ((err = register_memblk(&sysfs_memblks[i], i,
&sysfs_nodes[memblk_to_node(i)])))
goto out;
for (i = 0; i < NR_CPUS; i++)
if (cpu_online(i))
if((err = register_cpu(&sysfs_cpus[i], i,
&sysfs_nodes[cpu_to_node(i)])))
goto out;
out:
return err;
}
__initcall(topology_init);
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment