smsc75xx: use skb_cow_head() to deal with cloned skbs

[karo-tx-linux.git] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 2164498258594aff4a72e1263798e1cdec47e3d4..d8ac2a7fb9e7b6db9de3755ab7898095f70f8383 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -36,6 +36,7 @@
 #include <linux/pagevec.h>
 #include <linux/timer.h>
 #include <linux/sched/rt.h>
+#include <linux/sched/signal.h>
 #include <linux/mm_inline.h>
 #include <trace/events/writeback.h>
 
@@ -580,7 +581,7 @@ static void wb_domain_writeout_inc(struct wb_domain *dom,
        __fprop_inc_percpu_max(&dom->completions, completions,
                               max_prop_frac);
        /* First event after period switching was turned off? */
-       if (!unlikely(dom->period_time)) {
+       if (unlikely(!dom->period_time)) {
                /*
                 * We can race with other __bdi_writeout_inc calls here but
                 * it does not cause any harm since the resulting time when
@@ -1797,7 +1798,7 @@ pause:
                 * pages exceeds dirty_thresh, give the other good wb's a pipe
                 * to go through, so that tasks on them still remain responsive.
                 *
-                * In theory 1 page is enough to keep the comsumer-producer
+                * In theory 1 page is enough to keep the consumer-producer
                 * pipe going: the flusher cleans 1 page => the task dirties 1
                 * more page. However wb_dirty has accounting errors.  So use
                 * the larger and more IO friendly wb_stat_error.