aboutsummaryrefslogtreecommitdiffstats
path: root/module
diff options
context:
space:
mode:
Diffstat (limited to 'module')
-rw-r--r--module/zfs/arc.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index 4e5c9eaf5..fa69e1ea4 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -4220,7 +4220,7 @@ arc_reclaim_thread(void)
while (!arc_reclaim_thread_exit) {
int64_t to_free;
uint64_t evicted = 0;
-
+ uint64_t need_free = arc_need_free;
arc_tuning_update();
/*
@@ -4270,7 +4270,7 @@ arc_reclaim_thread(void)
to_free = (arc_c >> arc_shrink_shift) - free_memory;
if (to_free > 0) {
#ifdef _KERNEL
- to_free = MAX(to_free, arc_need_free);
+ to_free = MAX(to_free, need_free);
#endif
arc_shrink(to_free);
}
@@ -4295,11 +4295,12 @@ arc_reclaim_thread(void)
/*
* We're either no longer overflowing, or we
* can't evict anything more, so we should wake
- * up any threads before we go to sleep and clear
- * arc_need_free since nothing more can be done.
+ * up any threads before we go to sleep and remove
+ * the bytes we were working on from arc_need_free
+ * since nothing more will be done here.
*/
cv_broadcast(&arc_reclaim_waiters_cv);
- arc_need_free = 0;
+ ARCSTAT_INCR(arcstat_need_free, -need_free);
/*
* Block until signaled, or after one second (we
@@ -4452,7 +4453,7 @@ __arc_shrinker_func(struct shrinker *shrink, struct shrink_control *sc)
ARCSTAT_BUMP(arcstat_memory_indirect_count);
} else {
arc_no_grow = B_TRUE;
- arc_need_free = ptob(sc->nr_to_scan);
+ ARCSTAT_INCR(arcstat_need_free, ptob(sc->nr_to_scan));
ARCSTAT_BUMP(arcstat_memory_direct_count);
}