AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] powerpc numa: Consolidate assignment of cpus to nodes

Browse Source 
We can plug the boot cpu into its node independently of whether numa
topology is detected.  And numa_setup_cpu does the right thing for all
cases now, so remove special-casing for non-numa from the cpu hotplug
callback.

Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Nathan Lynch 2006-03-20 18:37:15 -06:00 committed by Paul Mackerras
parent 482ec7c403
commit 2b2612272c
1 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/powerpc/mm/numa.c
View File

@ -321,10 +321,7 @@ static int cpu_numa_callback(struct notifier_block *nfb,
switch (action) {
case CPU_UP_PREPARE:
if (min_common_depth == -1 || !numa_enabled)
map_cpu_to_node(lcpu, 0);
else
numa_setup_cpu(lcpu);
numa_setup_cpu(lcpu);
ret = NOTIFY_OK;
break;
#ifdef CONFIG_HOTPLUG_CPU
@ -459,8 +456,6 @@ static int __init parse_numa_properties(void)
goto new_range;
}
numa_setup_cpu(boot_cpuid);
return 0;
}
@ -475,7 +470,6 @@ static void __init setup_nonnuma(void)
printk(KERN_INFO "Memory hole size: %ldMB\n",
(top_of_ram - total_ram) >> 20);
map_cpu_to_node(boot_cpuid, 0);
for (i = 0; i < lmb.memory.cnt; ++i)
add_region(0, lmb.memory.region[i].base >> PAGE_SHIFT,
lmb_size_pages(&lmb.memory, i));
@ -612,6 +606,8 @@ void __init do_init_bootmem(void)
dump_numa_memory_topology();
register_cpu_notifier(&ppc64_numa_nb);
cpu_numa_callback(&ppc64_numa_nb, CPU_UP_PREPARE,
(void *)(unsigned long)boot_cpuid);
for_each_online_node(nid) {
unsigned long start_pfn, end_pfn, pages_present;