On 08/28/2013 04:40 PM, Gleb Natapov wrote:
>> static unsigned long *__gfn_to_rmap(gfn_t gfn, int level,
>> @@ -1200,7 +1221,7 @@ static u64 *rmap_get_first(unsigned long rmap, struct rmap_iterator *iter)
>> */
>> static u64 *rmap_get_next(struct rmap_iterator *iter)
>> {
>> - if (iter->desc) {
>> + if (iter->desc && !desc_is_a_nulls(iter->desc)) {
>> if (iter->pos < PTE_LIST_EXT - 1) {
>> u64 *sptep;
>>
>> @@ -1212,7 +1233,7 @@ static u64 *rmap_get_next(struct rmap_iterator *iter)
>>
>> iter->desc = iter->desc->more;
>>
> I'd rather do:
> iter->desc = desc_is_a_nulls(iter->desc) ? NULL : iter->desc;
> here and drop two desc_is_a_nulls() checks in this function.
Nice, will do it in the next version. Thanks!
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