From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Tue, 7 Apr 2015 17:26:19 +0000 (+0100)
Subject: x86/smp: Allocate pcpu stacks on their local numa node
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~3446
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=b143dae4c7402e43e6344bdb39b442955223567b;p=xen.git

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 a009e913a6..116c8f8297 100644
--- 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]);