Factor out balance_domain_limits to remove repeated code.
Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
mm/page-writeback.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e38beb680742..68ae4c90ce8b 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1753,6 +1753,14 @@ static void domain_dirty_freerun(struct dirty_throttle_control *dtc,
dtc->freerun = dirty <= dirty_freerun_ceiling(thresh, bg_thresh);
}
+static void balance_domain_limits(struct dirty_throttle_control *dtc,
+ bool strictlimit)
+{
+ domain_dirty_avail(dtc, false);
+ domain_dirty_limits(dtc);
+ domain_dirty_freerun(dtc, strictlimit);
+}
+
static void wb_dirty_freerun(struct dirty_throttle_control *dtc,
bool strictlimit)
{
@@ -1809,19 +1817,13 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
nr_dirty = global_node_page_state(NR_FILE_DIRTY);
- domain_dirty_avail(gdtc, false);
- domain_dirty_limits(gdtc);
- domain_dirty_freerun(gdtc, strictlimit);
-
- if (mdtc) {
+ balance_domain_limits(gdtc, strictlimit);
+ if (mdtc)
/*
* If @wb belongs to !root memcg, repeat the same
* basic calculations for the memcg domain.
*/
- domain_dirty_avail(mdtc, false);
- domain_dirty_limits(mdtc);
- domain_dirty_freerun(mdtc, strictlimit);
- }
+ balance_domain_limits(mdtc, strictlimit);
/*
* In laptop mode, we wait until hitting the higher threshold
--
2.30.0
