UBUNTU: SAUCE: s390/mm: fix local TLB flushing vs. detach of an mm address space

[mirror_ubuntu-zesty-kernel.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 7aa6f433f4de554d308e774d9e9b40507c6ab48a..7ec0a965c6a3a366550b2500f9880f65e5025138 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1422,6 +1422,10 @@ static int init_cache_random_seq(struct kmem_cache *s)
        int err;
        unsigned long i, count = oo_objects(s->oo);
 
+       /* Bailout if already initialised */
+       if (s->random_seq)
+               return 0;
+
        err = cache_random_seq_create(s, count, GFP_KERNEL);
        if (err) {
                pr_err("SLUB: Unable to initialize free list for %s\n",