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Re: [PATCH] domain_page: handle NULL within unmap_domain_page() itself

On 14.05.2020 12:01, Wei Liu wrote:
> On Wed, May 13, 2020 at 04:43:33PM +0100, Hongyan Xia wrote:
>> From: Hongyan Xia <hongyxia@xxxxxxxxxx>
>> The macro version UNMAP_DOMAIN_PAGE() does both NULL checking and
>> variable clearing. Move NULL checking into the function itself so that
>> the semantics is consistent with other similar constructs like XFREE().
>> This also eases the use unmap_domain_page() in error handling paths,
>> where we only care about NULL checking but not about variable clearing.
>> Signed-off-by: Hongyan Xia <hongyxia@xxxxxxxxxx>
> Reviewed-by: Wei Liu <wl@xxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>



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