Re: [Xen-devel] [PATCH] honor MEMF_no_refcount in alloc_heap_pages()

[Tim Deegan <tim@xxxxxxx>]

At 14:42 +0000 on 25 Feb (1424871753), Jan Beulich wrote:
> Non-anonymous allocations with this flag set should - for the purpose
> of the availability check - be treated just like anonymous ones, as
> they wouldn't lead to a reduction of ->outstanding_pages.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Tim Deegan <tim@xxxxxxx>

> --- a/xen/common/page_alloc.c
> +++ b/xen/common/page_alloc.c
> @@ -617,7 +617,8 @@ static struct page_info *alloc_heap_page
>       */
>      if ( (outstanding_claims + request >
>            total_avail_pages + tmem_freeable_pages()) &&
> -          (d == NULL || d->outstanding_pages < request) )
> +          ((memflags & MEMF_no_refcount) ||
> +           !d || d->outstanding_pages < request) )
>          goto not_found;
>  
>      /*
> 

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