Re: [Xen-devel] [PATCH] x86/mm: use put_page_type_preemptible in put_page_from_l{3, 4}e

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Sep 04, 2017 at 12:42:06PM +0100, Wei Liu wrote:
> No functional change.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> ---
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> ---
>  xen/arch/x86/mm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
> index e5b0cceae4..314da84720 100644
> --- a/xen/arch/x86/mm.c
> +++ b/xen/arch/x86/mm.c

In fact the forward declaration for __put_page_type here can also be
deleted.

> @@ -1376,7 +1376,7 @@ static int put_page_from_l3e(l3_pgentry_t l3e, unsigned 
> long pfn,
>      if ( unlikely(partial > 0) )
>      {
>          ASSERT(!defer);
> -        return __put_page_type(pg, 1);
> +        return put_page_type_preemptible(pg);
>      }
>  
>      if ( defer )
> @@ -1399,7 +1399,7 @@ static int put_page_from_l4e(l4_pgentry_t l4e, unsigned 
> long pfn,
>          if ( unlikely(partial > 0) )
>          {
>              ASSERT(!defer);
> -            return __put_page_type(pg, 1);
> +            return put_page_type_preemptible(pg);
>          }
>  
>          if ( defer )
> -- 
> 2.11.0
> 

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