On Thu, May 27, 2021 at 04:12:25PM -0700, Mike Kravetz wrote: > The routine dissolve_free_huge_page can be passed the tail page of a > hugetlb page. The tail page is incorrectly passed on to the routines > alloc_huge_page_vmemmap and add_hugetlb_page which expect a hugetlb > head page. > > Operating on a tail page instead of head page could result in addressing > exceptions or vmemmap corruption. > > Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> I guess Andrew will squash the changes, but fwiw: Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> -- Oscar Salvador SUSE L3
