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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E761C433F5 for ; Thu, 14 Oct 2021 07:51:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0918F61019 for ; Thu, 14 Oct 2021 07:51:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230202AbhJNHxM (ORCPT ); Thu, 14 Oct 2021 03:53:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230129AbhJNHxI (ORCPT ); Thu, 14 Oct 2021 03:53:08 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 72E24C061570 for ; Thu, 14 Oct 2021 00:51:03 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id y26so23148296lfa.11 for ; Thu, 14 Oct 2021 00:51:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IxL/1OygMqpG/Y7z2e565fj04wVwNqD56UmPqoPdvYc=; b=hgZvTc8HUb0gSrahoG2w8tewW9pN0zSL//XJQbnqu41qMO5hMDbop90sk+hgqskB5W dTqmys/scuT2Xh9QyyICM7853G//uKhlxWPr/OWDmxyjgYnEa89NntlqBluZ3GqtBqvz kf4QdTFfjtL8trcs04L8KD+ifCS6Dr696tDToXHaGeu4scoVJBAoP5if5LjWP4a482Ck umowCMYfx5vqymKDBwtwD22/dzYK7WmCnePHWE7oM5Eb+Op7Co7cA9IymgwbJVImbWPX MPeB3BivhkzaZll9wltzx27j0uZ9DBNwnl63MxpIv9Y4+uHSmz1LyMiQ7sXUMDyr3g0J 4CdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IxL/1OygMqpG/Y7z2e565fj04wVwNqD56UmPqoPdvYc=; b=hLQB1u6IrH3vZg9m32r7NeDGVRzKeXjikVbtLU7xKmiF9X0NprzA8GXbVUICX8KkOz MaRpKjokoLu5Hh2fhPyW6NKPm77GbE5XMGXXg8fe4ebOVEWzvRloUMwVXWPVAIQRA6ou EcqCUAJpTUTIdGGVvsrkzMOFOGuwQ1A/O9rpAivBryg0rtThfmOR3r62LQpg4uHC7Rj1 Rapp9DH++KLF5dFA/w/MHR/KqCV9aVFd5K5hwN1+9PE/6vQyDYbzXj4s2opdm1HzOKLy zc5BaZdC8SHIoixq+NwZolBIGYzB2gxr1ixRn0lmjFALnUMMbkTiSlXKuxJQzkZ2WrGx FRAw== X-Gm-Message-State: AOAM530wGX8A5gyLWM5PR3an1Kym2flSpmILc7YOdxmDM6KCEPtDzj1u AAqOeI+TmoZlP7jbo+CaKP8= X-Google-Smtp-Source: ABdhPJw6RZ9DK6JULdAOGNqmEAxkDLU+F3bQTN3Dd1y4NMiMSMwtfmuZyl0vZkNkTEm2+w2KC1wkVw== X-Received: by 2002:a05:6512:230c:: with SMTP id o12mr3679294lfu.653.1634197861894; Thu, 14 Oct 2021 00:51:01 -0700 (PDT) Received: from localhost.localdomain (h-158-174-22-5.NA.cust.bahnhof.se. [158.174.22.5]) by smtp.gmail.com with ESMTPSA id t82sm172281lff.50.2021.10.14.00.50.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 00:51:00 -0700 (PDT) From: Rikard Falkeborn To: SeongJae Park , Andrew Morton , Naoya Horiguchi Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Rikard Falkeborn Subject: [PATCH 2/2] mm/memory_failure: constify static mm_walk_ops Date: Thu, 14 Oct 2021 09:50:42 +0200 Message-Id: <20211014075042.17174-3-rikard.falkeborn@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211014075042.17174-1-rikard.falkeborn@gmail.com> References: <20211014075042.17174-1-rikard.falkeborn@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The only usage of hwp_walk_ops is to pass its address to walk_page_range() which takes a pointer to const mm_walk_ops as argument. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn --- mm/memory-failure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 92eeb317adf4..8d5faf347ed1 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -674,7 +674,7 @@ static int hwpoison_hugetlb_range(pte_t *ptep, unsigned long hmask, #define hwpoison_hugetlb_range NULL #endif -static struct mm_walk_ops hwp_walk_ops = { +static const struct mm_walk_ops hwp_walk_ops = { .pmd_entry = hwpoison_pte_range, .hugetlb_entry = hwpoison_hugetlb_range, }; -- 2.33.0