From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78E38C4167B for ; Mon, 19 Dec 2022 22:09:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232799AbiLSWJY (ORCPT ); Mon, 19 Dec 2022 17:09:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232836AbiLSWJD (ORCPT ); Mon, 19 Dec 2022 17:09:03 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E4D1164AA; Mon, 19 Dec 2022 14:06:34 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0AB6AB81029; Mon, 19 Dec 2022 22:05:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0772C433F0; Mon, 19 Dec 2022 22:05:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1671487552; bh=iNphSULVsGymL2VBWUEy2cpTOmDUU/Ka2aeIvd8g8es=; h=Date:To:From:Subject:From; b=h3SHaZ2VPqEiav+VlCrS+D1rAPHKJcELF9Az0UnS7lOPG/znHA42/RcExBubONH07 BuBNuigoRUn9hJxTdGQaXaJkntq1s9xPQxC5vOGuN9XB89kOJIAXo/sH5XmiwzguW8 J76FrpNFYPneQ3YA8olv9lUKIRQItdXaQR8kYGuE= Date: Mon, 19 Dec 2022 14:05:51 -0800 To: mm-commits@vger.kernel.org, usama.anjum@collabora.com, stable@vger.kernel.org, rppt@kernel.org, Liam.Howlett@oracle.com, avagin@gmail.com, liam.howlett@oracle.com, akpm@linux-foundation.org From: Andrew Morton Subject: + test_maple_tree-add-test-for-mas_spanning_rebalance-on-insufficient-data.patch added to mm-hotfixes-unstable branch Message-Id: <20221219220552.A0772C433F0@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: test_maple_tree: add test for mas_spanning_rebalance() on insufficient data has been added to the -mm mm-hotfixes-unstable branch. Its filename is test_maple_tree-add-test-for-mas_spanning_rebalance-on-insufficient-data.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/test_maple_tree-add-test-for-mas_spanning_rebalance-on-insufficient-data.patch This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Liam Howlett Subject: test_maple_tree: add test for mas_spanning_rebalance() on insufficient data Date: Mon, 19 Dec 2022 16:20:15 +0000 Add a test to the maple tree test suite for the spanning rebalance insufficient node issue does not go undetected again. Link: https://lkml.kernel.org/r/20221219161922.2708732-3-Liam.Howlett@oracle.com Fixes: 54a611b60590 ("Maple Tree: add new data structure") Signed-off-by: Liam R. Howlett Cc: Andrei Vagin Cc: Mike Rapoport Cc: Muhammad Usama Anjum Cc: Signed-off-by: Andrew Morton --- lib/test_maple_tree.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) --- a/lib/test_maple_tree.c~test_maple_tree-add-test-for-mas_spanning_rebalance-on-insufficient-data +++ a/lib/test_maple_tree.c @@ -2498,6 +2498,25 @@ static noinline void check_dup(struct ma } } +static noinline void check_bnode_min_spanning(struct maple_tree *mt) +{ + int i = 50; + MA_STATE(mas, mt, 0, 0); + + mt_set_non_kernel(9999); + mas_lock(&mas); + do { + mas_set_range(&mas, i*10, i*10+9); + mas_store(&mas, check_bnode_min_spanning); + } while (i--); + + mas_set_range(&mas, 240, 509); + mas_store(&mas, NULL); + mas_unlock(&mas); + mas_destroy(&mas); + mt_set_non_kernel(0); +} + static DEFINE_MTREE(tree); static int maple_tree_seed(void) { @@ -2742,6 +2761,10 @@ static int maple_tree_seed(void) check_dup(&tree); mtree_destroy(&tree); + mt_init_flags(&tree, MT_FLAGS_ALLOC_RANGE); + check_bnode_min_spanning(&tree); + mtree_destroy(&tree); + #if defined(BENCH) skip: #endif _ Patches currently in -mm which might be from liam.howlett@oracle.com are maple_tree-fix-mas_spanning_rebalance-on-insufficient-data.patch test_maple_tree-add-test-for-mas_spanning_rebalance-on-insufficient-data.patch