Re: [Xen-devel] [PATCH] delte PAGE_ORDER_1G in pod

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.04.16 at 09:27, <zhangcy@xxxxxxxxxxxxxx> wrote:
> PoD does not have cache list for 1GB pages.

But it might gain support in the future. Is there any harm in this code
being there?

Jan

> Signed-off-by: zhangcy <zhangcy@xxxxxxxxxxxxxx>
> ---
>  xen/arch/x86/mm/p2m-pod.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/xen/arch/x86/mm/p2m-pod.c b/xen/arch/x86/mm/p2m-pod.c
> index a931f2c..89a07ee 100644
> --- a/xen/arch/x86/mm/p2m-pod.c
> +++ b/xen/arch/x86/mm/p2m-pod.c
> @@ -122,10 +122,6 @@ p2m_pod_cache_add(struct p2m_domain *p2m,
>      /* Then add to the appropriate populate-on-demand list. */
>      switch ( order )
>      {
> -    case PAGE_ORDER_1G:
> -        for ( i = 0; i < (1UL << PAGE_ORDER_1G); i += 1UL << PAGE_ORDER_2M )
> -            page_list_add_tail(page + i, &p2m->pod.super);
> -        break;
>      case PAGE_ORDER_2M:
>          page_list_add_tail(page, &p2m->pod.super);
>          break;
> -- 
> 1.7.12.4




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