Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
writeback: fix uninitialized task_ratelimit
+4
-4
+4
-4
mm/page-writeback.c
+4
-4
mm/page-writeback.c
···
1097
1097
pos_ratio = bdi_position_ratio(bdi, dirty_thresh,
1098
1098
background_thresh, nr_dirty,
1099
1099
bdi_thresh, bdi_dirty);
1100
-
if (unlikely(pos_ratio == 0)) {
1100
+
task_ratelimit = ((u64)dirty_ratelimit * pos_ratio) >>
1101
+
RATELIMIT_CALC_SHIFT;
1102
+
if (unlikely(task_ratelimit == 0)) {
1101
1103
pause = max_pause;
1102
1104
goto pause;
1103
1105
}
1104
-
task_ratelimit = (u64)dirty_ratelimit *
1105
-
pos_ratio >> RATELIMIT_CALC_SHIFT;
1106
-
pause = (HZ * pages_dirtied) / (task_ratelimit | 1);
1106
+
pause = HZ * pages_dirtied / task_ratelimit;
1107
1107
if (unlikely(pause <= 0)) {
1108
1108
trace_balance_dirty_pages(bdi,
1109
1109
dirty_thresh,