[Xen-devel] [PATCH 6 of 12] libxl: introduce the concept of dom0 minimum memory

[stefano.stabellini@xxxxxxxxxxxxx]

Introduce a minimum value for the memory assigned to dom0.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff -r c46a6c796bb5 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Fri Sep 03 11:47:46 2010 +0100
+++ b/tools/libxl/libxl.c       Fri Sep 03 11:49:10 2010 +0100
@@ -2906,6 +2906,12 @@ retry_transaction:
         abort = 1;
         goto out;
     }
+    if (!domid && new_target_memkb < LIBXL_MIN_DOM0_MEM) {
+        XL_LOG(ctx, XL_LOG_ERROR,
+                "new target for dom0 is below the minimum threshold\n");
+        abort = 1;
+        goto out;
+    }
 
     videoram_s = libxl_xs_read(&gc, t, libxl_sprintf(&gc,
                 "%s/memory/videoram", dompath));
diff -r c46a6c796bb5 tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h      Fri Sep 03 11:47:46 2010 +0100
+++ b/tools/libxl/libxl_internal.h      Fri Sep 03 11:49:10 2010 +0100
@@ -43,6 +43,7 @@
 #define LIBXL_MAXMEM_CONSTANT 1024
 #define LIBXL_PV_EXTRA_MEMORY 1024
 #define LIBXL_HVM_EXTRA_MEMORY 2048
+#define LIBXL_MIN_DOM0_MEM (128*1024)
 #define QEMU_SIGNATURE "QemuDeviceModelRecord"
 
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel