Re: [Xen-devel] [PATCH] ts-debian-hvm-install: fix local migration test

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-04-17 at 15:19 +0100, Wei Liu wrote:
> Make sure there's enough free RAM for local migration test.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
>  ts-debian-hvm-install |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/ts-debian-hvm-install b/ts-debian-hvm-install
> index 1bca1f7..86fd7be 100755
> --- a/ts-debian-hvm-install
> +++ b/ts-debian-hvm-install
> @@ -167,12 +167,12 @@ sub prep () {
>      });
>  }
>  
> -# If host has >5G free memory, create a guest with 5G memory to catch
> +# If host has >9G free memory, create a guest with 4.5G memory to catch

Due to memory holes under 4G I reckon a 4.0G would be sufficient to
catch the thing you are trying to catch.

Ian.

>  # any error that triggers cross 4G boundary
>  my $host_freemem_mb = host_get_free_memory($ho, $toolstack);
>  my $ram_minslop = 100;
> -my $ram_lots = 5000;
> -if ($host_freemem_mb > $ram_lots + $ram_minslop) {
> +my $ram_lots = 4500;
> +if ($host_freemem_mb > $ram_lots * 2 + $ram_minslop) {
>      $ram_mb = $ram_lots;
>  } else {
>      $ram_mb = 768;



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