Merge tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "14 hotfixes, 6 of which are cc:stable.

  All except the nilfs2 fix affect MM and all are singletons - see the
  chagelogs for details"

* tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors
  mm: fix xyz_noprof functions calling profiled functions
  codetag: avoid race at alloc_slab_obj_exts
  mm/hugetlb: do not call vma_add_reservation upon ENOMEM
  mm/ksm: fix ksm_zero_pages accounting
  mm/ksm: fix ksm_pages_scanned accounting
  kmsan: do not wipe out origin when doing partial unpoisoning
  vmalloc: check CONFIG_EXECMEM in is_vmalloc_or_module_addr()
  mm: page_alloc: fix highatomic typing in multi-block buddies
  nilfs2: fix potential kernel bug due to lack of writeback flag waiting
  memcg: remove the lockdep assert from __mod_objcg_mlstate()
  mm: arm64: fix the out-of-bounds issue in contpte_clear_young_dirty_ptes
  mm: huge_mm: fix undefined reference to `mthp_stats' for CONFIG_SYSFS=n
  mm: drop the 'anon_' prefix for swap-out mTHP counters

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 60d4f59f7665..6ea81f1d5094 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1652,6 +1652,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
 			if (bh->b_folio != bd_folio) {
 				if (bd_folio) {
 					folio_lock(bd_folio);
+					folio_wait_writeback(bd_folio);
 					folio_clear_dirty_for_io(bd_folio);
 					folio_start_writeback(bd_folio);
 					folio_unlock(bd_folio);
@@ -1665,6 +1666,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
 			if (bh == segbuf->sb_super_root) {
 				if (bh->b_folio != bd_folio) {
 					folio_lock(bd_folio);
+					folio_wait_writeback(bd_folio);
 					folio_clear_dirty_for_io(bd_folio);
 					folio_start_writeback(bd_folio);
 					folio_unlock(bd_folio);
@@ -1681,6 +1683,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
 	}
 	if (bd_folio) {
 		folio_lock(bd_folio);
+		folio_wait_writeback(bd_folio);
 		folio_clear_dirty_for_io(bd_folio);
 		folio_start_writeback(bd_folio);
 		folio_unlock(bd_folio);