1 files changed, 6 insertions, 1 deletions

diff --git a/mm/slab.c b/mm/slab.c
index 807d86c76908..1880d482a0cb 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3879,7 +3879,12 @@ static int __do_tune_cpucache(struct kmem_cache *cachep, int limit,
 
         prev = cachep->cpu_cache;
         cachep->cpu_cache = cpu_cache;
-        kick_all_cpus_sync();
+        /*
+         * Without a previous cpu_cache there's no need to synchronize remote
+         * cpus, so skip the IPIs.
+         */
+        if (prev)
+                kick_all_cpus_sync();
 
         check_irq_on();
         cachep->batchcount = batchcount;