[Xen-changelog] [xen-unstable] libxl: Pass actual RAM amount to qemu-xen

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Anthony PERARD <anthony.perard@xxxxxxxxxx>
# Date 1333473311 -3600
# Node ID b0356d31076a45422a121915c69651093f491c78
# Parent  249b2eeeeae5576dd32748ea8ffa13e94d06eb20
libxl: Pass actual RAM amount to qemu-xen

QEMU upstream need to kown the amount of RAM given to a guest. This patch give
the correct value.

Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---


diff -r 249b2eeeeae5 -r b0356d31076a tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c    Tue Apr 03 18:02:46 2012 +0100
+++ b/tools/libxl/libxl_dm.c    Tue Apr 03 18:15:11 2012 +0100
@@ -323,6 +323,7 @@ static char ** libxl__build_device_model
     const char *keymap = dm_keymap(guest_config);
     flexarray_t *dm_args;
     int i;
+    uint64_t ram_size;
 
     dm_args = flexarray_make(16, 1);
     if (!dm_args)
@@ -504,11 +505,9 @@ static char ** libxl__build_device_model
         break;
     }
 
-    /* RAM Size */
+    ram_size = libxl__sizekb_to_mb(b_info->max_memkb - b_info->video_memkb);
     flexarray_append(dm_args, "-m");
-    flexarray_append(dm_args,
-                     libxl__sprintf(gc, "%d",
-                                    
libxl__sizekb_to_mb(b_info->target_memkb)));
+    flexarray_append(dm_args, libxl__sprintf(gc, "%"PRId64, ram_size));
 
     if (b_info->type == LIBXL_DOMAIN_TYPE_HVM) {
         for (i = 0; i < num_disks; i++) {

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