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authorTakashi Iwai <tiwai@suse.de>2019-11-25 14:27:33 +0100
committerTakashi Iwai <tiwai@suse.de>2019-11-25 14:27:41 +0100
commit09578eacaaa44149738267083ccc050990409f86 (patch)
treecf614ee065fe5479e4638abebe12c9e1578b09d9 /lib/test_meminit.c
parentALSA: aloop: Fix dependency on timer API (diff)
parentMerge branch 'asoc-5.5' into asoc-next (diff)
Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: More updates for v5.5 Some more development work for v5.5. Highlights include: - More cleanups from Morimoto-san. - Trigger word detection for RT5677. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'lib/test_meminit.c')
-rw-r--r--lib/test_meminit.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/test_meminit.c b/lib/test_meminit.c
index 9729f271d150..9742e5cb853a 100644
--- a/lib/test_meminit.c
+++ b/lib/test_meminit.c
@@ -297,6 +297,32 @@ out:
return 1;
}
+static int __init do_kmem_cache_size_bulk(int size, int *total_failures)
+{
+ struct kmem_cache *c;
+ int i, iter, maxiter = 1024;
+ int num, bytes;
+ bool fail = false;
+ void *objects[10];
+
+ c = kmem_cache_create("test_cache", size, size, 0, NULL);
+ for (iter = 0; (iter < maxiter) && !fail; iter++) {
+ num = kmem_cache_alloc_bulk(c, GFP_KERNEL, ARRAY_SIZE(objects),
+ objects);
+ for (i = 0; i < num; i++) {
+ bytes = count_nonzero_bytes(objects[i], size);
+ if (bytes)
+ fail = true;
+ fill_with_garbage(objects[i], size);
+ }
+
+ if (num)
+ kmem_cache_free_bulk(c, num, objects);
+ }
+ *total_failures += fail;
+ return 1;
+}
+
/*
* Test kmem_cache allocation by creating caches of different sizes, with and
* without constructors, with and without SLAB_TYPESAFE_BY_RCU.
@@ -318,6 +344,7 @@ static int __init test_kmemcache(int *total_failures)
num_tests += do_kmem_cache_size(size, ctor, rcu, zero,
&failures);
}
+ num_tests += do_kmem_cache_size_bulk(size, &failures);
}
REPORT_FAILURES_IN_FN();
*total_failures += failures;