On Wed 16-05-18 17:32:06, Kani Toshimitsu wrote: > From: Chintan Pandya <cpandya@xxxxxxxxxxxxxx> > > This patch ("mm/vmalloc: Add interfaces to free unmapped > page table") adds following 2 interfaces to free the page > table in case we implement huge mapping. > > pud_free_pmd_page() and pmd_free_pte_page() > > Some architectures (like arm64) needs to do proper TLB > maintanance after updating pagetable entry even in map. > Why ? Read this, > https://patchwork.kernel.org/patch/10134581/ Please add that information to the changelog. -- Michal Hocko SUSE Labs