Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / setup_percpu.c

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 3a97a4cf187245462f3890f08313544762642f28..9c3f0823e6aa00ea93bec0babdfd2c0b19971d13 100644 (file)
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -160,8 +160,10 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
        /*
         * If large page isn't supported, there's no benefit in doing
         * this.  Also, on non-NUMA, embedding is better.
+        *
+        * NOTE: disabled for now.
         */
-       if (!cpu_has_pse || !pcpu_need_numa())
+       if (true || !cpu_has_pse || !pcpu_need_numa())
                return -EINVAL;
 
        /*
@@ -423,6 +425,14 @@ void __init setup_per_cpu_areas(void)
        early_per_cpu_ptr(x86_cpu_to_node_map) = NULL;
 #endif
 
+#if defined(CONFIG_X86_64) && defined(CONFIG_NUMA)
+       /*
+        * make sure boot cpu node_number is right, when boot cpu is on the
+        * node that doesn't have mem installed
+        */
+       per_cpu(node_number, boot_cpu_id) = cpu_to_node(boot_cpu_id);
+#endif
+
        /* Setup node to cpumask map */
        setup_node_to_cpumask_map();