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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n125-20020a632783000000b00513b2388cdesi7914746pgn.327.2023.04.03.02.02.31; Mon, 03 Apr 2023 02:02:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=TB7n4Sll; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231277AbjDCI7z (ORCPT + 99 others); Mon, 3 Apr 2023 04:59:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231617AbjDCI7x (ORCPT ); Mon, 3 Apr 2023 04:59:53 -0400 Received: from mail-yb1-xb2e.google.com (mail-yb1-xb2e.google.com [IPv6:2607:f8b0:4864:20::b2e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB1745B97 for ; Mon, 3 Apr 2023 01:59:52 -0700 (PDT) Received: by mail-yb1-xb2e.google.com with SMTP id p15so33831256ybl.9 for ; Mon, 03 Apr 2023 01:59:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680512392; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=5zZWYuyDzpZNaRiVgD/KXahhQyG8Rw0U/M+C/mTD0fU=; b=TB7n4Sll6+wGMCCKJoZHcjmcdlpdf1Buj2PBDZjVt04QPJMT4w9dweZ/4w4mJkHrwm RI5xaufgOseCWl4DfM2y8qRHw1TvmN4BOops5/ctjHK2AyK/oFcKeKk3Rxew6GBSyMhF AYpYmPfFtf8tzcUq4d+6gFMmhTdUDucOgP2/Eqk2f4bVkzNQCK2eTMs9ViD6lOo6RT6g EfR+AW5vEQflq/t39pMcJ0GlkUdavlgNBL8Y5etH8c78uHlOlslRhc92WSDq7SIzukAo MuWRkN3E/wxYZaFI0pC5QIMsReLBPWMjXdePEze/kVC+blGdizAUkBAvCF0Y3nX/LV3m mviw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680512392; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5zZWYuyDzpZNaRiVgD/KXahhQyG8Rw0U/M+C/mTD0fU=; b=syB+mYDTvOI1adwNr5J4oIggiy9QnRxgUWcXA9LRd/Yn9L1Bn+t2z7kxMGJpVhYiGs qmtrOpYPdURBL0H3ru8TuA8jO8cZ5U2qKI/A5MryWeNObOhM7171D6GaWUbunYMnFPFI UQRyNh5LqdIluIfvdN6XHr5l85yjrbvNqhHNcIMZqgt5DTog6kmooWWlQJaQ+faKJ0sC nJIzCKD/j9JW9rIRemfLLRJ59L15K+cSiAfVopUCsBAhS9MluL+krnCbyPYUaepnfYO3 0OFI1urmOyRJS9fU/ceEYlP47lmv7qfkx5MAv0yzpEZ1rfZsEBxJ0f0AaS3Hhp7gakef ycYA== X-Gm-Message-State: AAQBX9dFhcIc6filgDG10ZfBNabe80fVmwt0ZehzXxj13cti1vuzARga VpgItCuu0PFUHV9xDMsuOxSdEgxDZEAAP8IffhciNQ== X-Received: by 2002:a25:2d03:0:b0:b61:29e8:e93a with SMTP id t3-20020a252d03000000b00b6129e8e93amr35916224ybt.53.1680512391776; Mon, 03 Apr 2023 01:59:51 -0700 (PDT) MIME-Version: 1.0 References: <20230328095807.7014-1-songmuchun@bytedance.com> <20230328095807.7014-5-songmuchun@bytedance.com> In-Reply-To: <20230328095807.7014-5-songmuchun@bytedance.com> From: Alexander Potapenko Date: Mon, 3 Apr 2023 10:59:15 +0200 Message-ID: Subject: Re: [PATCH 4/6] mm: kfence: remove useless check for CONFIG_KFENCE_NUM_OBJECTS To: Muchun Song Cc: elver@google.com, dvyukov@google.com, akpm@linux-foundation.org, jannh@google.com, sjpark@amazon.de, muchun.song@linux.dev, kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-15.7 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,ENV_AND_HDR_SPF_MATCH, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL, USER_IN_DEF_SPF_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 28, 2023 at 11:58=E2=80=AFAM Muchun Song wrote: > > The CONFIG_KFENCE_NUM_OBJECTS is limited by kconfig and vary from 1 to > 65535, so CONFIG_KFENCE_NUM_OBJECTS cannot be equabl to or smaller than Nit: "equal" > 0. Removing it to simplify code. > > Signed-off-by: Muchun Song Reviewed-by: Alexander Potapenko