On Thu, Dec 10, 2020 at 03:42:56PM +0100, Oscar Salvador wrote: > On Thu, Dec 10, 2020 at 11:55:18AM +0800, Muchun Song wrote: > > The free_vmemmap_pages_per_hpage() which indicate that how many vmemmap > > pages associated with a HugeTLB page that can be freed to the buddy > > allocator just returns zero now, because all infrastructure is not > > ready. Once all the infrastructure is ready, we will rework this > > function to support the feature. > > I would reword the above to: > > "free_vmemmap_pages_per_hpage(), which indicates how many vmemmap > pages associated with a HugeTLB page can be freed, returns zero for > now, which means the feature is disabled. > We will enable it once all the infrastructure is there." > > Or something along those lines. > > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > > Overall this looks good to me, and it has seen a considerable > simplification, which is good. > Some nits/questions below: And as I said, I would merge patch#3 with this one. -- Oscar Salvador SUSE L3