Use [global/wb]_domain_dirty_avail helper in cgwb_calc_thresh to remove
repeated code.
Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
mm/page-writeback.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 28a29180fc9f..a1d48e8387ed 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -934,16 +934,9 @@ unsigned long cgwb_calc_thresh(struct bdi_writeback *wb)
{
struct dirty_throttle_control gdtc = { GDTC_INIT_NO_WB };
struct dirty_throttle_control mdtc = { MDTC_INIT(wb, &gdtc) };
- unsigned long filepages = 0, headroom = 0, writeback = 0;
-
- gdtc.avail = global_dirtyable_memory();
- gdtc.dirty = global_node_page_state(NR_FILE_DIRTY) +
- global_node_page_state(NR_WRITEBACK);
- mem_cgroup_wb_stats(wb, &filepages, &headroom,
- &mdtc.dirty, &writeback);
- mdtc.dirty += writeback;
- mdtc_calc_avail(&mdtc, filepages, headroom);
+ global_domain_dirty_avail(&gdtc, false);
+ wb_domain_dirty_avail(&mdtc, false);
domain_dirty_limits(&mdtc);
return __wb_calc_thresh(&mdtc, mdtc.thresh);
--
2.30.0
