This is based on (but somewhat different from) what hugetlbfs
does to share/unshare page tables.
Signed-off-by: Larry Bassel
---
include/linux/hugetlb.h | 4 ++
mm/huge_memory.c| 37 +
mm/hugetlb.c| 8 ++--
mm/memory.c | 108 ++
On Fri, Jun 07, 2019 at 12:51:03PM -0700, Larry Bassel wrote:
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 3a54c9d..1c1ed4e 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -4653,9 +4653,9 @@ long hugetlb_unreserve_pages(struct inode *inode, long
> start, long end,
> }
>
> #ifdef CO
