[Qemu-devel] [RFC PATCH 12/14] numa: introduce memory_region_allocate_system_memory

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/i386/pc.c            |  4 +---
 include/sysemu/sysemu.h |  5 +++++
 numa.c                  | 10 ++++++++++
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 76c47a9..61df5d4 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1168,9 +1168,7 @@ FWCfgState *pc_memory_init(QEMUMachineInitArgs *args,
      * with older qemus that used qemu_ram_alloc().
      */
     ram = g_malloc(sizeof(*ram));
-    memory_region_init_ram(ram, NULL, "pc.ram",
-                           below_4g_mem_size + above_4g_mem_size);
-    vmstate_register_ram_global(ram);
+    memory_region_allocate_system_memory(ram, NULL, "pc.ram", args);
     *ram_memory = ram;
     ram_below_4g = g_malloc(sizeof(*ram_below_4g));
     memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram,
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 4c94cf5..e9da760 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -10,6 +10,8 @@
 #include "qemu/notify.h"
 #include "qemu/main-loop.h"
 #include "qemu/bitmap.h"
+#include "qom/object.h"
+#include "hw/boards.h"
 
 /* vl.c */
 
@@ -144,6 +146,9 @@ void set_numa_nodes(void);
 void set_numa_modes(void);
 extern QemuOptsList qemu_numa_opts;
 int numa_init_func(QemuOpts *opts, void *opaque);
+void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
+                                          const char *name,
+                                          QEMUMachineInitArgs *args);
 
 #define MAX_OPTION_ROMS 16
 typedef struct QEMUOptionRom {
diff --git a/numa.c b/numa.c
index c4fa665..f903b9e 100644
--- a/numa.c
+++ b/numa.c
@@ -187,3 +187,13 @@ void set_numa_modes(void)
         }
     }
 }
+
+void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
+                                          const char *name,
+                                          QEMUMachineInitArgs *args)
+{
+    uint64_t ram_size = args->ram_size;
+
+    memory_region_init_ram(mr, owner, name, ram_size);
+    vmstate_register_ram_global(mr);
+}
-- 
1.8.4.2