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authorYinghai Lu <yhlu.kernel@gmail.com>2008-08-19 20:49:45 -0700
committerIngo Molnar <mingo@elte.hu>2008-10-16 16:52:03 +0200
commit1f8ff037a871690c762d267d8a052529d3102fc9 (patch)
tree1b0ce2fdcca21c06fc2b806964670ee0a3ffeab4 /arch/x86/kernel/setup_percpu.c
parent1f3fcd4b1adc972d5c6a34cfed98931c46575b49 (diff)
x86: alloc dyn_array all together
so could spare some memory with small alignment in bootmem also tighten the alignment checking, and make print out less debug info. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r--arch/x86/kernel/setup_percpu.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 13ba7a83808..2b7dab699e8 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -140,26 +140,31 @@ static void __init setup_cpu_pda_map(void)
*/
void __init setup_per_cpu_areas(void)
{
- ssize_t size, old_size;
+ ssize_t size, old_size, da_size;
char *ptr;
int cpu;
+ unsigned long align = 1;
/* Setup cpu_pda map */
setup_cpu_pda_map();
/* Copy section for each CPU (we discard the original) */
old_size = PERCPU_ENOUGH_ROOM;
- size = old_size + per_cpu_dyn_array_size();
+ da_size = per_cpu_dyn_array_size(&align);
+ align = max_t(unsigned long, PAGE_SIZE, align);
+ size = roundup(old_size + da_size, align);
printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
size);
for_each_possible_cpu(cpu) {
#ifndef CONFIG_NEED_MULTIPLE_NODES
- ptr = alloc_bootmem_pages(size);
+ ptr = __alloc_bootmem(size, align,
+ __pa(MAX_DMA_ADDRESS));
#else
int node = early_cpu_to_node(cpu);
if (!node_online(node) || !NODE_DATA(node)) {
- ptr = alloc_bootmem_pages(size);
+ ptr = __alloc_bootmem(size, align,
+ __pa(MAX_DMA_ADDRESS));
printk(KERN_INFO
"cpu %d has no node %d or node-local memory\n",
cpu, node);
@@ -168,7 +173,8 @@ void __init setup_per_cpu_areas(void)
cpu, __pa(ptr));
}
else {
- ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+ ptr = __alloc_bootmem_node(NODE_DATA(node), size, align,
+ __pa(MAX_DMA_ADDRESS));
if (ptr)
printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n",
cpu, node, __pa(ptr));