Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / setup_percpu.c

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index f7745f94c0061236b8b224afd44d3a19eb63f3d1..ae0c0d3bb7704605440467d26ec48eaf84faad83 100644 (file)
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -80,24 +80,6 @@ static void __init setup_per_cpu_maps(void)
 #endif
 }
 
-#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
-cpumask_t *cpumask_of_cpu_map __read_mostly;
-EXPORT_SYMBOL(cpumask_of_cpu_map);
-
-/* requires nr_cpu_ids to be initialized */
-static void __init setup_cpumask_of_cpu(void)
-{
-       int i;
-
-       /* alloc_bootmem zeroes memory */
-       cpumask_of_cpu_map = alloc_bootmem_low(sizeof(cpumask_t) * nr_cpu_ids);
-       for (i = 0; i < nr_cpu_ids; i++)
-               cpu_set(i, cpumask_of_cpu_map[i]);
-}
-#else
-static inline void setup_cpumask_of_cpu(void) { }
-#endif
-
 #ifdef CONFIG_X86_32
 /*
  * Great future not-so-futuristic plan: make i386 and x86_64 do it
@@ -158,35 +140,47 @@ static void __init setup_cpu_pda_map(void)
  */
 void __init setup_per_cpu_areas(void)
 {
-       ssize_t size = PERCPU_ENOUGH_ROOM;
+       ssize_t size, old_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) */
-       size = PERCPU_ENOUGH_ROOM;
+       old_size = PERCPU_ENOUGH_ROOM;
+       align = max_t(unsigned long, PAGE_SIZE, align);
+       size = roundup(old_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);
+                       if (ptr)
+                               printk(KERN_DEBUG "per cpu data for cpu%d at %016lx\n",
+                                        cpu, __pa(ptr));
+               }
+               else {
+                       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));
                }
-               else
-                       ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
 #endif
                per_cpu_offset(cpu) = ptr - __per_cpu_start;
                memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
-
        }
 
        printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n",
@@ -197,9 +191,6 @@ void __init setup_per_cpu_areas(void)
 
        /* Setup node to cpumask map */
        setup_node_to_cpumask_map();
-
-       /* Setup cpumask_of_cpu map */
-       setup_cpumask_of_cpu();
 }
 
 #endif
@@ -227,7 +218,7 @@ static void __init setup_node_to_cpumask_map(void)
        /* allocate the map */
        map = alloc_bootmem_low(nr_node_ids * sizeof(cpumask_t));
 
-       pr_debug(KERN_DEBUG "Node to cpumask map at %p for %d nodes\n",
+       pr_debug("Node to cpumask map at %p for %d nodes\n",
                 map, nr_node_ids);
 
        /* node_to_cpumask() will now work */