Skip hugetlb vmas as we are not interested in those. Signed-off-by: Oscar Salvador <osalvador@xxxxxxx> --- mm/migrate_device.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/mm/migrate_device.c b/mm/migrate_device.c index 6d66dc1c6ffa..c44ac45b207d 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -279,8 +279,20 @@ static int migrate_vma_collect_pmd(pmd_t *pmdp, return 0; } +static int migrate_vma_test_walk(unsigned long start, unsigned long end, + struct mm_walk *walk) +{ + struct vm_area_struct *vma = walk->vma; + + if (is_vm_hugetlb_page(vma)) + return 1; + + return 0; +} + static const struct mm_walk_ops migrate_vma_walk_ops = { .pmd_entry = migrate_vma_collect_pmd, + .test_walk = migrate_vma_test_walk, .pte_hole = migrate_vma_collect_hole, .walk_lock = PGWALK_RDLOCK, }; -- 2.26.2