On Fri, May 08, 2020 at 02:33:19PM -0700, Andy Lutomirski wrote: > On Fri, May 8, 2020 at 7:40 AM Joerg Roedel <joro@xxxxxxxxxx> wrote: > What's the maximum on other system types? It might make more sense to > take the memory hit and pre-populate all the tables at boot so we > never have to sync them. Need to look it up for 5-level paging, with 4-level paging its 64 pages to pre-populate the vmalloc area. But that would not solve the problem on x86-32, which needs to synchronize unmappings on the PMD level. Joerg
