On Wed, 4 May 2022 11:37:43 +0800 Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote: > > Freeing HugeTLB vmemmap pages is not compatible with allocating memmap on > > hot added memory. If "hugetlb_free_vmemmap=on" and > > memory_hotplug.memmap_on_memory" are both passed on the kernel command line, > > freeing hugetlb pages takes precedence. However, the global variable > > memmap_on_memory will still be set to 1, even though we will not try to > > allocate memmap on hot added memory. > > > > Not sure if that is more clear or not. > > > > Clearer than mine. I updated, thanks.