On Fri, Feb 05, 2021 at 03:29:43PM +0800, Miaohe Lin wrote: > > + if (likely(vmemmap_pages > RESERVE_VMEMMAP_NR)) > > + h->nr_free_vmemmap_pages = vmemmap_pages - RESERVE_VMEMMAP_NR; > > Not a problem. Should we set h->nr_free_vmemmap_pages to 0 in 'else' case explicitly ? No, hstate fields are already zeroed. -- Oscar Salvador SUSE L3