From patchwork Wed Jul 12 14:38:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 13310437 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 092FEC05051 for ; Wed, 12 Jul 2023 14:25:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232498AbjGLOZZ (ORCPT ); Wed, 12 Jul 2023 10:25:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232359AbjGLOZW (ORCPT ); Wed, 12 Jul 2023 10:25:22 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33B541BC1; Wed, 12 Jul 2023 07:25:17 -0700 (PDT) Received: from dggpemm500001.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4R1Kkc0gYvz1JCRg; Wed, 12 Jul 2023 22:24:40 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 12 Jul 2023 22:25:14 +0800 From: Kefeng Wang To: Andrew Morton CC: , , , , , , , Kefeng Wang Subject: [PATCH 5/5] perf/core: use vma_is_stack() and vma_is_heap() Date: Wed, 12 Jul 2023 22:38:31 +0800 Message-ID: <20230712143831.120701-6-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230712143831.120701-1-wangkefeng.wang@huawei.com> References: <20230712143831.120701-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Use the helpers to simplify code, also kill unneeded goto cpy_name. Signed-off-by: Kefeng Wang --- kernel/events/core.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 78ae7b6f90fd..cb271f449b81 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8685,22 +8685,14 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event) } name = (char *)arch_vma_name(vma); - if (name) - goto cpy_name; - - if (vma->vm_start <= vma->vm_mm->start_brk && - vma->vm_end >= vma->vm_mm->brk) { - name = "[heap]"; - goto cpy_name; + if (!name) { + if (vma_is_heap(vma)) + name = "[heap]"; + else if (vma_is_stack(vma)) + name = "[stack]"; + else + name = "//anon"; } - if (vma->vm_start <= vma->vm_mm->start_stack && - vma->vm_end >= vma->vm_mm->start_stack) { - name = "[stack]"; - goto cpy_name; - } - - name = "//anon"; - goto cpy_name; } cpy_name: