On Sat, Jun 23, 2018 at 04:03:11AM +0800, Yang Shi wrote: > When merging anonymous page vma, if the size of vma can fit in at least > one hugepage, the mm will be registered for khugepaged for collapsing > THP in the future. > > But, it skips shmem vma. Doing so for shmem too, but not file-private > mapping, when merging vma in order to increase the odd to collapse > hugepage by khugepaged. > > hugepage_vma_check() sounds like a good fit to do the check. And, moved > the definition of it before khugepaged_enter_vma_merge() to suppress > build error. > > Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> > Cc: Hugh Dickins <hughd@xxxxxxxxxx> > Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov
