From nobody Tue Feb 10 06:25:31 2026 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 C05EAC7EE2E for ; Fri, 9 Jun 2023 12:05:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231183AbjFIMFK (ORCPT ); Fri, 9 Jun 2023 08:05:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240233AbjFIME7 (ORCPT ); Fri, 9 Jun 2023 08:04:59 -0400 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 092C1185 for ; Fri, 9 Jun 2023 05:04:35 -0700 (PDT) Received: by mail-pg1-x531.google.com with SMTP id 41be03b00d2f7-51452556acdso543718a12.2 for ; Fri, 09 Jun 2023 05:04:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1686312274; x=1688904274; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=h6we1XLVpJvFDKToAtCSdGG7AESFIveH8POVJHK7ygw=; b=PC+79P6zld1xHv0iEHUypxLnb5f8t146nEumIY8vCPreM6HtGZs171xPu43YSEfAf/ 8tXWLXLwlc9ooEQ0fJ6wWh/m089QFWFXnDemDLdCN5bCHqmnsrgAp5e+NsT6yw3mkXir ONjMHZPTMPaCQHufwndsdcuzCIi3Z/SyDW63FuzJnKgNWFlnvj7rSG5G+1t0nZda0KAK lJ80H5jIzAP1DLiE7cyVTtFL1ZkvrkP/2cU6O8ZxpsMwaVfyV5TyCHDVztVhJftPdBjD VQj+jNKOkuTjUvSwWOZbkIWpLkhLxZJ7dtq0gV1dqRvurp41kzdhjk9GF0xDSl4gljnC iOWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686312274; x=1688904274; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h6we1XLVpJvFDKToAtCSdGG7AESFIveH8POVJHK7ygw=; b=M6FZGKd0AnvfmmoZo4qmplVsKRppDRBjSu1Z7G0t1SoupaUtBx6ftcYvXDwmX1aUmo Cquq5icrbBKHg8WqFZ84NJL1TasdGhWrtSrZByhtxQ1V8aLHcqGJx3t3QBrNPA091eM4 UDdenEWQ5b+3ZugBg9o4LYpNmb+k17dKy9k1gMBfp2lrHvZkoAVeDTB8bUKnjjs9wWRX plj2FDk+w3vPXdK5jlhTuwY3D5LdB+mnJ9w2acKKyupbpdXgk4jUhG0dlzzaOwIYr6QU c4oKpcXmw1NjU+Rb0juU68UaNlbMVboT6KGc9iROVY3z93qffYSb43B0Lk+TMrDAPkAv ow2Q== X-Gm-Message-State: AC+VfDxRpsb5ziyRzVx8ZM299xgT3Eb7i3gAI8UKa3pKNj2zzhdO6shz /5qScELYqPdYmj6QDbx3vK+caw== X-Google-Smtp-Source: ACHHUZ4c7S/hhzd9J/cuoih1FnFVo/eBjSB6PM9tKj0JZeYoff2Wj+X+185zSOQly4NC+px2oyVHDw== X-Received: by 2002:a17:90b:164c:b0:259:c73:65e6 with SMTP id il12-20020a17090b164c00b002590c7365e6mr816107pjb.23.1686312274507; Fri, 09 Jun 2023 05:04:34 -0700 (PDT) Received: from localhost.localdomain ([139.177.225.249]) by smtp.gmail.com with ESMTPSA id v12-20020a65568c000000b00514256c05c2sm2619168pgs.7.2023.06.09.05.04.32 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 09 Jun 2023 05:04:34 -0700 (PDT) From: Peng Zhang To: Liam.Howlett@oracle.com Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org, Peng Zhang Subject: [PATCH v2 1/3] maple_tree: add test for mas_wr_modify() fast path Date: Fri, 9 Jun 2023 20:03:45 +0800 Message-Id: <20230609120347.63936-2-zhangpeng.00@bytedance.com> X-Mailer: git-send-email 2.37.0 (Apple Git-136) In-Reply-To: <20230609120347.63936-1-zhangpeng.00@bytedance.com> References: <20230609120347.63936-1-zhangpeng.00@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add tests for all cases of mas_wr_append() and mas_wr_slot_store(). Signed-off-by: Peng Zhang --- lib/test_maple_tree.c | 65 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/lib/test_maple_tree.c b/lib/test_maple_tree.c index 15d7b7bce7d6..9403472af3d7 100644 --- a/lib/test_maple_tree.c +++ b/lib/test_maple_tree.c @@ -1159,6 +1159,71 @@ static noinline void __init check_ranges(struct mapl= e_tree *mt) MT_BUG_ON(mt, !mt_height(mt)); mtree_destroy(mt); =20 + /* Check in-place modifications */ + mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE); + /* Append to the start of last range */ + mt_set_non_kernel(50); + for (i =3D 0; i <=3D 500; i++) { + val =3D i * 5 + 1; + val2 =3D val + 4; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + /* Append to the last range without touching any boundaries */ + for (i =3D 0; i < 10; i++) { + val =3D val2 + 5; + val2 =3D val + 4; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + /* Append to the end of last range */ + val =3D val2; + for (i =3D 0; i < 10; i++) { + val +=3D 5; + MT_BUG_ON(mt, mtree_test_store_range(mt, val, ULONG_MAX, + xa_mk_value(val)) !=3D 0); + } + + /* Overwriting the range and over a part of the next range */ + for (i =3D 10; i < 30; i +=3D 2) { + val =3D i * 5 + 1; + val2 =3D val + 5; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + /* Overwriting a part of the range and over the next range */ + for (i =3D 50; i < 70; i +=3D 2) { + val2 =3D i * 5; + val =3D val2 - 5; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + /* + * Expand the range, only partially overwriting the previous and + * next ranges + */ + for (i =3D 100; i < 130; i +=3D 3) { + val =3D i * 5 - 5; + val2 =3D i * 5 + 1; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + /* + * Expand the range, only partially overwriting the previous and + * next ranges, in RCU mode + */ + mt_set_in_rcu(mt); + for (i =3D 150; i < 180; i +=3D 3) { + val =3D i * 5 - 5; + val2 =3D i * 5 + 1; + check_store_range(mt, val, val2, xa_mk_value(val), 0); + } + + MT_BUG_ON(mt, !mt_height(mt)); + mt_validate(mt); + mt_set_non_kernel(0); + mtree_destroy(mt); + /* Test rebalance gaps */ mt_init_flags(mt, MT_FLAGS_ALLOC_RANGE); mt_set_non_kernel(50); --=20 2.20.1