From: "Doug Smythies" <dsmythies@telus.net>
To: 'Johannes Weiner' <hannes@cmpxchg.org>,
'Andrew Morton' <akpm@linux-foundation.org>,
'Vladimir Davydov' <vdavydov.dev@gmail.com>
Cc: 'Joonsoo Kim' <iamjoonsoo.kim@lge.com>,
bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org,
Doug Smythies <dsmythies@telus.net>
Subject: RE: [Bug 172981] New: [bisected] SLAB: extreme load averages and over 2000 kworker threads
Date: Tue, 27 Sep 2016 20:13:58 -0700 [thread overview]
Message-ID: <002a01d21936$5ca792a0$15f6b7e0$@net> (raw)
In-Reply-To: p4E0bHJB4CNDxp4E5bcDDz
By the way, I can eliminate the problem by doing this:
(see also: https://bugzilla.kernel.org/show_bug.cgi?id=172991)
diff --git a/mm/slab.c b/mm/slab.c
index b672710..a4edbfa 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -965,7 +965,7 @@ static int setup_kmem_cache_node(struct kmem_cache *cachep,
* freed after synchronize_sched().
*/
if (force_change)
- synchronize_sched();
+ kick_all_cpus_sync();
fail:
kfree(old_shared);
--
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next prev parent reply other threads:[~2016-09-28 3:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-172981-27@https.bugzilla.kernel.org/>
2016-09-27 18:10 ` [Bug 172981] New: [bisected] SLAB: extreme load averages and over 2000 kworker threads Andrew Morton
2016-09-28 2:03 ` Johannes Weiner
2016-09-28 8:09 ` Vladimir Davydov
2016-09-29 2:00 ` Joonsoo Kim
2016-09-29 13:45 ` Vladimir Davydov
2016-09-30 8:19 ` Joonsoo Kim
2016-09-30 19:58 ` Vladimir Davydov
2016-10-06 5:04 ` Doug Smythies
2016-10-06 6:35 ` Joonsoo Kim
2016-10-06 16:02 ` Doug Smythies
2016-10-07 15:55 ` Doug Smythies
2016-09-28 3:13 ` Doug Smythies [this message]
2016-09-28 5:18 ` Joonsoo Kim
2016-09-28 6:20 ` Joonsoo Kim
2016-09-28 15:22 ` Doug Smythies
2016-09-29 1:50 ` Joonsoo Kim
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