2020년 6월 9일 (화) 오후 10:43, Michal Hocko <mhocko@xxxxxxxxxx>님이 작성: > > On Wed 27-05-20 15:44:56, Joonsoo Kim wrote: > [...] > > -/* page migration callback function */ > > struct page *alloc_huge_page_nodemask(struct hstate *h, > > struct alloc_control *ac) > > { > > ac->gfp_mask |= htlb_alloc_mask(h); > > + if (ac->nid == NUMA_NO_NODE) > > + ac->gfp_mask &= ~__GFP_THISNODE; > > Is this really needed? alloc_huge_page_node is currently only called > from numa migration code and the target node should be always defined. Thanks! When I read the code, I was not sure that the target node is always defined so I left this code. However, if it's true, this code isn't needed at all. I will consider your suggestion in the next version. Thanks.