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-rw-r--r--arch/x86/xen/enlighten.c3
-rw-r--r--mm/memblock.c6
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 7d46c844141..63b83ceebd1 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -30,6 +30,7 @@
#include <linux/console.h>
#include <linux/pci.h>
#include <linux/gfp.h>
+#include <linux/memblock.h>
#include <xen/xen.h>
#include <xen/interface/xen.h>
@@ -1183,6 +1184,8 @@ asmlinkage void __init xen_start_kernel(void)
local_irq_disable();
early_boot_irqs_off();
+ memblock_init();
+
xen_raw_console_write("mapping kernel into physical memory\n");
pgd = xen_setup_kernel_pagetable(pgd, xen_start_info->nr_pages);
diff --git a/mm/memblock.c b/mm/memblock.c
index 9ad39690a2b..ae8b06c828c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -752,6 +752,12 @@ void __init memblock_analyze(void)
void __init memblock_init(void)
{
+ static int init_done __initdata = 0;
+
+ if (init_done)
+ return;
+ init_done = 1;
+
/* Hookup the initial arrays */
memblock.memory.regions = memblock_memory_init_regions;
memblock.memory.max = INIT_MEMBLOCK_REGIONS;