[PATCH] x86_64: Allocate PDAs in the local node

[pandora-kernel.git] / arch / x86_64 / kernel / smpboot.c

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 4884ca1..c8169d0 100644 (file)
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -757,6 +757,23 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
                return -1;
        }
 
+       /* Allocate node local memory for AP pdas */
+       if (cpu_pda(cpu) == &boot_cpu_pda[cpu]) {
+               struct x8664_pda *newpda, *pda;
+               int node = cpu_to_node(cpu);
+               pda = cpu_pda(cpu);
+               newpda = kmalloc_node(sizeof (struct x8664_pda), GFP_ATOMIC,
+                                     node);
+               if (newpda) {
+                       memcpy(newpda, pda, sizeof (struct x8664_pda));
+                       cpu_pda(cpu) = newpda;
+               } else
+                       printk(KERN_ERR
+               "Could not allocate node local PDA for CPU %d on node %d\n",
+                               cpu, node);
+       }
+
+
        c_idle.idle = get_idle_for_cpu(cpu);
 
        if (c_idle.idle) {