[v2,0/5] Cleanup and fixup for hugetlb

Message

Miaohe Lin April 10, 2021, 7:23 a.m. UTC

Hi all,
This series contains cleanups to remove redundant VM_BUG_ON() and
simplify the return code. Also this handles the error case in
hugetlb_fix_reserve_counts() correctly. More details can be found
in the respective changelogs. Thanks!

v1->v2:
  collect Reviewed-by tag
  remove the HPAGE_RESV_OWNER check per Mike
  add a comment to hugetlb_unreserve_pages per Mike
  expand warning message a bit for hugetlb_fix_reserve_counts
  Add a new patch to remove unused variable
  Many thanks for Mike's review and suggestion!

Miaohe Lin (5):
  mm/hugeltb: remove redundant VM_BUG_ON() in region_add()
  mm/hugeltb: simplify the return code of __vma_reservation_common()
  mm/hugeltb: clarify (chg - freed) won't go negative in
    hugetlb_unreserve_pages()
  mm/hugeltb: handle the error case in hugetlb_fix_reserve_counts()
  mm/hugetlb: remove unused variable pseudo_vma in
    remove_inode_hugepages()

 fs/hugetlbfs/inode.c |  3 ---
 mm/hugetlb.c         | 57 +++++++++++++++++++++++++-------------------
 2 files changed, 33 insertions(+), 27 deletions(-)