From nobody Tue Sep 9 18:11:28 2025 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 203AEC001DE for ; Wed, 26 Jul 2023 08:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233202AbjGZIYW (ORCPT ); Wed, 26 Jul 2023 04:24:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233232AbjGZIXG (ORCPT ); Wed, 26 Jul 2023 04:23:06 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 767354C29 for ; Wed, 26 Jul 2023 01:10:41 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id 98e67ed59e1d1-267fc19280bso471349a91.1 for ; Wed, 26 Jul 2023 01:10:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690359041; x=1690963841; 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=La30n3p8fENYrfJWqtvIRjpZvPcttyQzv7ZUcu4OWh0=; b=hDJE8eg6JhSqyFPBgmdPFLb2NvreqZRkoQ0fdGojtOrd++HIHNVUOcYmZwlfCxm5K+ 7S9/adYQ+mg7sePuGXIBKc3RGbqqWjQTdPhVgF9gclNb+ndj+3HGIaBgnMq+mTnEsAfS nN2TDe1AymKzfNIyX0pmL+9gSFtSZWjLFgJDdDBiEQVKijpSxGzTzdDVwHZxORnAaQUU +Ccnk2vlrYUp96CC7W9TS8BkgThX3dUut8NY2hntTU6eCEHXncFT/nxcYtcUKsiEhorE tPaMsoIeutpOBq+cJKv6F4JMmekbuoNmYseftMJvCzZYYszTS4YyUs6sAV+hYDzi/ty6 YQHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690359041; x=1690963841; 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=La30n3p8fENYrfJWqtvIRjpZvPcttyQzv7ZUcu4OWh0=; b=cV8szWzFIKAFTG6jKyy9Qbf8JIrX/7XTAP4Gyk1wiJJBqA8mgRemntoHzhVvsDzjk7 lxEDR4FCPZ/pH/NrJxt1qwtPTy4kx6sp6tRPvRwNQUb3CJ7YSx74e1mIXWyU71nnegVq VAIX9+2tTB8CpFLxt+MWwywJOZQ/mjmOG1c6vVsm54J01+YfmitXkwUu0+126dgW/T4q IukYhk90SjN+2Roxcz6vcMsKz87QdV1K/TrDpxyrcKfMRpFUB2bKrzWSOf5awkAbYJzP +UOnYobqL7aAEj+wSfzRgxPori6Xpi5nkiE7Wvvfov1wciTMv+eRARyOUb78onE+N4pi 6vyw== X-Gm-Message-State: ABy/qLZXSMg8NGOyOlW0f47nxTRr6AW/TtzWktIQqbyKi8Pk605O0/uW hJr7CXY5VdpgXaMBpPprPafS2g== X-Google-Smtp-Source: APBJJlE8cIpYZ+sTitqIk/v4pR8PRlkevNUmvEDeqPpuFom8xFn2KAvQVis6NXMadCyNx4ljN105gA== X-Received: by 2002:a17:90b:8cf:b0:25c:18ad:6b82 with SMTP id ds15-20020a17090b08cf00b0025c18ad6b82mr1683093pjb.21.1690359040966; Wed, 26 Jul 2023 01:10:40 -0700 (PDT) Received: from GL4FX4PXWL.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id gc17-20020a17090b311100b002680b2d2ab6sm756540pjb.19.2023.07.26.01.10.35 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 26 Jul 2023 01:10:40 -0700 (PDT) From: Peng Zhang To: Liam.Howlett@oracle.com, corbet@lwn.net, akpm@linux-foundation.org, willy@infradead.org, brauner@kernel.org, surenb@google.com, michael.christie@oracle.com, peterz@infradead.org, mathieu.desnoyers@efficios.com, npiggin@gmail.com, avagin@gmail.com Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Peng Zhang Subject: [PATCH 09/11] maple_tree: Update check_forking() and bench_forking() Date: Wed, 26 Jul 2023 16:09:14 +0800 Message-Id: <20230726080916.17454-10-zhangpeng.00@bytedance.com> X-Mailer: git-send-email 2.37.0 (Apple Git-136) In-Reply-To: <20230726080916.17454-1-zhangpeng.00@bytedance.com> References: <20230726080916.17454-1-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" Updated check_forking() and bench_forking() to use __mt_dup() to duplicate maple tree. Signed-off-by: Peng Zhang --- lib/test_maple_tree.c | 59 ++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 34 deletions(-) diff --git a/lib/test_maple_tree.c b/lib/test_maple_tree.c index 0ec0c6a7c0b5..bbdac08927c6 100644 --- a/lib/test_maple_tree.c +++ b/lib/test_maple_tree.c @@ -1837,7 +1837,7 @@ static noinline void __init check_forking(struct mapl= e_tree *mt) { =20 struct maple_tree newmt; - int i, nr_entries =3D 134; + int i, nr_entries =3D 134, ret; void *val; MA_STATE(mas, mt, 0, 0); MA_STATE(newmas, mt, 0, 0); @@ -1847,26 +1847,22 @@ static noinline void __init check_forking(struct ma= ple_tree *mt) xa_mk_value(i), GFP_KERNEL); =20 mt_set_non_kernel(99999); - mt_init_flags(&newmt, MT_FLAGS_ALLOC_RANGE); - newmas.tree =3D &newmt; - mas_reset(&newmas); - mas_reset(&mas); - mas_lock(&newmas); - mas.index =3D 0; - mas.last =3D 0; - if (mas_expected_entries(&newmas, nr_entries)) { + mas_lock(&mas); + + ret =3D __mt_dup(mt, &newmt, GFP_NOWAIT | __GFP_NOWARN); + if (ret) { pr_err("OOM!"); BUG_ON(1); } - rcu_read_lock(); - mas_for_each(&mas, val, ULONG_MAX) { - newmas.index =3D mas.index; - newmas.last =3D mas.last; - mas_store(&newmas, val); + + mas_set(&newmas, 0); + mas_for_each(&newmas, val, ULONG_MAX) { + mas_replace_entry(&newmas, val); } - rcu_read_unlock(); + + mas_unlock(&mas); + mas_destroy(&newmas); - mas_unlock(&newmas); mt_validate(&newmt); mt_set_non_kernel(0); mtree_destroy(&newmt); @@ -1974,9 +1970,8 @@ static noinline void __init check_mas_store_gfp(struc= t maple_tree *mt) #if defined(BENCH_FORK) static noinline void __init bench_forking(struct maple_tree *mt) { - struct maple_tree newmt; - int i, nr_entries =3D 134, nr_fork =3D 80000; + int i, nr_entries =3D 134, nr_fork =3D 80000, ret; void *val; MA_STATE(mas, mt, 0, 0); MA_STATE(newmas, mt, 0, 0); @@ -1987,26 +1982,22 @@ static noinline void __init bench_forking(struct ma= ple_tree *mt) =20 for (i =3D 0; i < nr_fork; i++) { mt_set_non_kernel(99999); - mt_init_flags(&newmt, MT_FLAGS_ALLOC_RANGE); - newmas.tree =3D &newmt; - mas_reset(&newmas); - mas_reset(&mas); - mas.index =3D 0; - mas.last =3D 0; - rcu_read_lock(); - mas_lock(&newmas); - if (mas_expected_entries(&newmas, nr_entries)) { - printk("OOM!"); + + mas_lock(&mas); + ret =3D __mt_dup(mt, &newmt, GFP_NOWAIT | __GFP_NOWARN); + if (ret) { + pr_err("OOM!"); BUG_ON(1); } - mas_for_each(&mas, val, ULONG_MAX) { - newmas.index =3D mas.index; - newmas.last =3D mas.last; - mas_store(&newmas, val); + + mas_set(&newmas, 0); + mas_for_each(&newmas, val, ULONG_MAX) { + mas_replace_entry(&newmas, val); } + + mas_unlock(&mas); + mas_destroy(&newmas); - mas_unlock(&newmas); - rcu_read_unlock(); mt_validate(&newmt); mt_set_non_kernel(0); mtree_destroy(&newmt); --=20 2.20.1