exec: make qemu_get_ram_ptr private

It is a private interface between exec.c and memory.c.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index cafc3c2..af851aa 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -49,8 +49,6 @@
 typedef uint32_t CPUReadMemoryFunc(void *opaque, hwaddr addr);
 
 void qemu_ram_remap(ram_addr_t addr, ram_addr_t length);
-/* This should only be used for ram local to a device.  */
-void *qemu_get_ram_ptr(ram_addr_t addr);
 /* This should not be used by devices.  */
 int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
 ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr);
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 1b156fd..8d15f90 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -46,6 +46,7 @@
 ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
                                    MemoryRegion *mr);
 ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr);
+void *qemu_get_ram_ptr(ram_addr_t addr);
 void qemu_ram_free(ram_addr_t addr);
 void qemu_ram_free_from_ptr(ram_addr_t addr);