On 3/22/21 5:50 PM, Peter Xu wrote: > Teach hugetlbfs code to wr-protect none ptes just in case the page cache > existed for that pte. Meanwhile we also need to be able to recognize a uffd-wp > marker pte and remove it for uffd_wp_resolve. > > Since at it, introduce a variable "psize" to replace all references to the huge > page size fetcher. Introducing psize may have caused most changes. :) I like it. > > Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> > --- > mm/hugetlb.c | 29 +++++++++++++++++++++++++---- > 1 file changed, 25 insertions(+), 4 deletions(-) Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz