Hi, During the review of patch#2, David noticed that we could remove the !PAGE_ALIGNED handling in remove_pte_table, as we should never get there. Therefore, let us place that cleanup before the sub-pmd-populated fixup. More details can be found in the respective changelogs. [1] https://lkml.org/lkml/2021/1/29/82 Oscar Salvador (2): x86/vmemmap: Remove !PAGE_ALIGNED case in remove_pte_table x86/vmemmap: Handle unpopulated sub-pmd ranges arch/x86/mm/init_64.c | 148 +++++++++++++++++++++++++++++------------- 1 file changed, 103 insertions(+), 45 deletions(-) -- 2.26.2