x86/smp: Allocate pcpu stacks on their local numa node

Previously, all pcpu stacks tended to be allocated on node 0.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
CC: Keir Fraser <keir@xen.org>
CC: Jan Beulich <JBeulich@suse.com>
Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>

diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
index a009e913a6ca155ee33b95cee27943afa7981860..116c8f8297a3d6c8f79080cd7e62abca9412d1e3 100644 (file)
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -642,7 +642,7 @@ static int cpu_smpboot_alloc(unsigned int cpu)
     if ( node != NUMA_NO_NODE )
         memflags = MEMF_node(node);
 
-    stack_base[cpu] = alloc_xenheap_pages(STACK_ORDER, 0);
+    stack_base[cpu] = alloc_xenheap_pages(STACK_ORDER, memflags);
     if ( stack_base[cpu] == NULL )
         goto oom;
     memguard_guard_stack(stack_base[cpu]);