From: Nitin Gupta <nitin.m.gu...@oracle.com> Date: Fri, 29 Jul 2016 00:54:21 -0700
> For PMD aligned (8M) hugepages, we currently allocate > all four page table levels which is wasteful. We now > allocate till PMD level only which saves memory usage > from page tables. > > Also, when freeing page table for 8M hugepage backed region, > make sure we don't try to access non-existent PTE level. > > Orabug: 22630259 > > Signed-off-by: Nitin Gupta <nitin.m.gu...@oracle.com> > --- > Changelog v2 vs v1 > - Combine fix for page table freeing with the main trimming patch (Dave) Applied, thanks.
