[PATCH v2 0/4] Fix and cleanups to page-writeback

[Kemeng Shi]

v1->v2:
-rebase on up-to-date tree.
-add test result in "mm: correct calculation of wb's bg_thresh in cgroup
domain"
-drop "mm: remove redundant check in wb_min_max_ratio"
-collect RVB from Matthew to "mm: remove stale comment __folio_mark_dirty"

This series contains some random cleanups and a fix to correct
calculation of wb's bg_thresh in cgroup domain. More details can
be found respective patches. Thanks!

Kemeng Shi (4):
  mm: enable __wb_calc_thresh to calculate dirty background threshold
  mm: correct calculation of wb's bg_thresh in cgroup domain
  mm: call __wb_calc_thresh instead of wb_calc_thresh in
    wb_over_bg_thresh
  mm: remove stale comment __folio_mark_dirty

 mm/page-writeback.c | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

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2.30.0