From patchwork Wed Nov 22 21:06:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 10070951 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 13D04601D5 for ; Wed, 22 Nov 2017 21:07:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0475029DFA for ; Wed, 22 Nov 2017 21:07:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ED45529E14; Wed, 22 Nov 2017 21:07:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CCF8329DFA for ; Wed, 22 Nov 2017 21:07:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751538AbdKVVHu (ORCPT ); Wed, 22 Nov 2017 16:07:50 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:48711 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751483AbdKVVHr (ORCPT ); Wed, 22 Nov 2017 16:07:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=5nV2U2BAMRLtlis2JXAwmUYdacm2HNUBUpzdEHSIHX8=; b=E7WUAck163uAqks9HOBrU3FeI DAVpWJXJXrHgcQxWix7y3pouPnKZIPtS1MC0IHsEk6WHBOpoVQoXUyDOup596IsjAoSlWLOJ65v5k n4DqEd5n/VuLoS7wMOpW/EJbmKaQIOXTjBMsz34wt8ZRKKbSEPoT3MDsVHnxfJ8iYMrqsTzOt31C+ f5I1T11UJ+8pz9eApqijdqK6m20ykKRONgBrl5qNn0KhPF+zCpjrr3dUD2i8yzuJoWmwFO9c9Cyur 7ZMZom5Op4m1GGkeg/xbWMcNMvtO8xAp69hvApdC7vfed+I3rTXwERFe3MP0QlqcxWS++D2vVRPfp W5WhdE7bA==; Received: from willy by bombadil.infradead.org with local (Exim 4.87 #1 (Red Hat Linux)) id 1eHcFG-0007ou-87; Wed, 22 Nov 2017 21:07:46 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: 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> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20171122210739.29916-1-willy@infradead.org> References: <20171122210739.29916-1-willy@infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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++)