From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f197.google.com (mail-pf0-f197.google.com [209.85.192.197]) by kanga.kvack.org (Postfix) with ESMTP id 65E036B0033 for ; Wed, 22 Nov 2017 16:07:49 -0500 (EST) Received: by mail-pf0-f197.google.com with SMTP id d6so15506773pfb.3 for ; Wed, 22 Nov 2017 13:07:49 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id t25si13940801pgv.644.2017.11.22.13.07.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Nov 2017 13:07:48 -0800 (PST) From: Matthew Wilcox Subject: [PATCH 04/62] idr test suite: Fix ida_test_random() Date: Wed, 22 Nov 2017 13:06:41 -0800 Message-Id: <20171122210739.29916-5-willy@infradead.org> In-Reply-To: <20171122210739.29916-1-willy@infradead.org> References: <20171122210739.29916-1-willy@infradead.org> Sender: owner-linux-mm@kvack.org List-ID: To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Matthew Wilcox From: Matthew Wilcox The test was checking the wrong errno; ida_get_new_above() returns EAGAIN, not ENOMEM on memory allocation failure. Double the number of threads to increase the chance that we actually exercise this path during the test suite (it was a bit sporadic before). Signed-off-by: Matthew Wilcox --- tools/testing/radix-tree/idr-test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index 30cd0b296f1a..193450b29bf0 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -380,7 +380,7 @@ void ida_check_random(void) do { ida_pre_get(&ida, GFP_KERNEL); err = ida_get_new_above(&ida, bit, &id); - } while (err == -ENOMEM); + } while (err == -EAGAIN); assert(!err); assert(id == bit); } @@ -489,7 +489,7 @@ static void *ida_random_fn(void *arg) void ida_thread_tests(void) { - pthread_t threads[10]; + pthread_t threads[20]; int i; for (i = 0; i < ARRAY_SIZE(threads); i++) -- 2.15.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org