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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BA30C433EF for ; Mon, 24 Jan 2022 12:21:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 204E76B0081; Mon, 24 Jan 2022 07:21:28 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1B4806B0083; Mon, 24 Jan 2022 07:21:28 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0A39A6B0085; Mon, 24 Jan 2022 07:21:28 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0246.hostedemail.com [216.40.44.246]) by kanga.kvack.org (Postfix) with ESMTP id EAB676B0081 for ; Mon, 24 Jan 2022 07:21:27 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id B0887181B0499 for ; Mon, 24 Jan 2022 12:21:27 +0000 (UTC) X-FDA: 79065091014.23.0669806 Received: from mail-ot1-f43.google.com (mail-ot1-f43.google.com [209.85.210.43]) by imf11.hostedemail.com (Postfix) with ESMTP id ADCF640002 for ; Mon, 24 Jan 2022 12:21:26 +0000 (UTC) Received: by mail-ot1-f43.google.com with SMTP id m8-20020a9d4c88000000b00592bae7944bso22006043otf.1 for ; Mon, 24 Jan 2022 04:21:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5HHwOHpu3DODX4uWQ1+JZsd1/iIv5h6cdRibus7mBoQ=; b=lf093PoaWmusMgbiWy/WDpNTxiGQ8V5bvGmNAVRCS7jWCTTUL3SvfmEUxY+2pcHc7x zhpDlcNUDYTQub/RIKGlX2iDEwmyowOkMcFSp1fD/sSe0PxMuEP6Iqx9L1voRUFeqlt2 85EUPdAFScwMwM1thEV/3TbCbQ6SndwlDnZylNYQxLTJRMXIG5dOt7mCubuFU5zvZPeQ PCYslMpSLeZzcQbq+6ho807GRSEOEibqCUZ1e3hoD6Y0M7ifNYMJF2vyaBhBmdVXtsxY Oub8NhYRxSmPX+89FDlveehVTV9p+4MIjScv2djqoYjLokXFVW4wISpaV7KfHCGxmQ2/ gAQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5HHwOHpu3DODX4uWQ1+JZsd1/iIv5h6cdRibus7mBoQ=; b=RsFIAfdkCSiYJtbHTigrq0xLHa7BgyjVHnxcq0CkDyT6YFUWhnxE7swOJl0lNgfi8r zEpYzKjG20WbyN2WUuNmDU6OjbwQk8gWKbUzV+T7ACBtPuj0QLPBT3dXjC8tqWB0t8No cCnFqPLbwan/2W26ao4W/x944KmCQAs+CEONJgqx9Z3s9gD7uKK1xEvvs6vTEt1BiVE5 sTb4Zq4EH0hR2HO4FVV5MMY/R1wzsZKkNBqC8IxQviDPQQ4hPZFJ6ixEA5bxJ/BigKxA sKmKL2FZlIZvSHINF9I2FCGVOVsy2uBZLzqUnEhNS2h3pfd/HarcXQC4nA/Rk/coxy16 EE0g== X-Gm-Message-State: AOAM533Ha0oSwCKXcKgQioZ+VDIhR2bwlCEVH/BWhzVHfNt3pdK84Mkh uYESenj/z2CWKbDCYN6G/r15c83RZZp/12ISqh+REw== X-Google-Smtp-Source: ABdhPJwPCK6JVvtPZA/qEwNUZFdTfKV6fNMlNE0y/mgV0d/FLXRv3yIuKlsLt0y/g/mEMvyfH8KcoRBGc9UjO+K2CWU= X-Received: by 2002:a9d:58c7:: with SMTP id s7mr11139396oth.246.1643026886411; Mon, 24 Jan 2022 04:21:26 -0800 (PST) MIME-Version: 1.0 References: <20220124025205.329752-1-liupeng256@huawei.com> <20220124025205.329752-4-liupeng256@huawei.com> <261a5287-af0d-424e-d209-db887d952a74@huawei.com> In-Reply-To: <261a5287-af0d-424e-d209-db887d952a74@huawei.com> From: Marco Elver Date: Mon, 24 Jan 2022 13:21:15 +0100 Message-ID: Subject: Re: [PATCH RFC 3/3] kfence: Make test case compatible with run time set sample interval To: "liupeng (DM)" Cc: glider@google.com, dvyukov@google.com, corbet@lwn.net, sumit.semwal@linaro.org, christian.koenig@amd.com, akpm@linux-foundation.org, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: ADCF640002 X-Stat-Signature: xs78a595umcx33foazrfg5pitrjqbyf7 Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=lf093Poa; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf11.hostedemail.com: domain of elver@google.com designates 209.85.210.43 as permitted sender) smtp.mailfrom=elver@google.com X-HE-Tag: 1643026886-882871 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 24 Jan 2022 at 13:19, liupeng (DM) wrote: [...] > When KFENCE pool size can be adjusted by boot parameters(assumption), > automatically test and train KFENCE may be useful. So far, exporting > kfence.sample_interval is not necessary. I'm not opposed to the patch (I've also run into this issue, but not too frequently) - feel free to just send it with EXPORT_SYMBOL_GPL. Thanks, -- Marco