1 files changed, 12 insertions, 8 deletions

diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index f18573643ed1..3696b1832566 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -59,6 +59,8 @@ unsigned long __initdata node_memmap_pfn[MAX_NUMNODES];
 unsigned long __initdata node_percpu_pfn[MAX_NUMNODES];
 unsigned long __initdata node_free_pfn[MAX_NUMNODES];
 
+static unsigned long __initdata node_percpu[MAX_NUMNODES];
+
 #ifdef CONFIG_HIGHMEM
 /* Page frame index of end of lowmem on each controller. */
 unsigned long __cpuinitdata node_lowmem_end_pfn[MAX_NUMNODES];
@@ -554,7 +556,6 @@ static void __init setup_bootmem_allocator(void)
                 reserve_bootmem(crashk_res.start,
                         crashk_res.end - crashk_res.start + 1, 0);
 #endif
-
 }
 
 void *__init alloc_remap(int nid, unsigned long size)
@@ -568,11 +569,13 @@ void *__init alloc_remap(int nid, unsigned long size)
 
 static int __init percpu_size(void)
 {
-        int size = ALIGN(__per_cpu_end - __per_cpu_start, PAGE_SIZE);
-#ifdef CONFIG_MODULES
-        if (size < PERCPU_ENOUGH_ROOM)
-                size = PERCPU_ENOUGH_ROOM;
-#endif
+        int size = __per_cpu_end - __per_cpu_start;
+        size += PERCPU_MODULE_RESERVE;
+        size += PERCPU_DYNAMIC_EARLY_SIZE;
+        if (size < PCPU_MIN_UNIT_SIZE)
+                size = PCPU_MIN_UNIT_SIZE;
+        size = roundup(size, PAGE_SIZE);
+
         /* In several places we assume the per-cpu data fits on a huge page. */
         BUG_ON(kdata_huge && size > HPAGE_SIZE);
         return size;
@@ -589,7 +592,6 @@ static inline unsigned long alloc_bootmem_pfn(int size, unsigned long goal)
 static void __init zone_sizes_init(void)
 {
         unsigned long zones_size[MAX_NR_ZONES] = { 0 };
-        unsigned long node_percpu[MAX_NUMNODES] = { 0 };
         int size = percpu_size();
         int num_cpus = smp_height * smp_width;
         int i;
@@ -674,7 +676,7 @@ static void __init zone_sizes_init(void)
                 NODE_DATA(i)->bdata = NODE_DATA(0)->bdata;
 
                 free_area_init_node(i, zones_size, start, NULL);
-                printk(KERN_DEBUG "  DMA zone: %ld per-cpu pages\n",
+                printk(KERN_DEBUG "  Normal zone: %ld per-cpu pages\n",
                        PFN_UP(node_percpu[i]));
 
                 /* Track the type of memory on each node */
@@ -1312,6 +1314,8 @@ static void *__init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
 
         BUG_ON(size % PAGE_SIZE != 0);
         pfn_offset[nid] += size / PAGE_SIZE;
+        BUG_ON(node_percpu[nid] < size);
+        node_percpu[nid] -= size;
         if (percpu_pfn[cpu] == 0)
                 percpu_pfn[cpu] = pfn;
         return pfn_to_kaddr(pfn);