On 08/09/17 17:48, Jan Beulich wrote:
On 08.09.17 at 08:56, wrote:
>> --- a/xen/common/grant_table.c
>> +++ b/xen/common/grant_table.c
>> @@ -3824,8 +3824,15 @@ static int __init gnttab_usage_init(void)
>> {
>> BUILD_BUG_ON(DEFAULT_MAX_MAPTRACK_FRAMES < DEFAULT_MAX_NR_GRANT_FRAMES);
>>
>>> On 08.09.17 at 08:56, wrote:
> --- a/xen/common/grant_table.c
> +++ b/xen/common/grant_table.c
> @@ -3824,8 +3824,15 @@ static int __init gnttab_usage_init(void)
> {
> BUILD_BUG_ON(DEFAULT_MAX_MAPTRACK_FRAMES < DEFAULT_MAX_NR_GRANT_FRAMES);
>
> +/*
> + * In case grant v2 is req
In case a system has memory above the 16TB boundary double the default
grant frame number limit per domain. This ensures a pv domain can still
establish the same number of grants even if it is required to use
version 2 grants which need twice the space of v1 grants.
Signed-off-by: Juergen Gross
R
