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 82B24C433F5 for ; Thu, 14 Oct 2021 07:51:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A1AD60FF2 for ; Thu, 14 Oct 2021 07:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230171AbhJNHxK (ORCPT ); Thu, 14 Oct 2021 03:53:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229992AbhJNHxF (ORCPT ); Thu, 14 Oct 2021 03:53:05 -0400 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 587ACC061746 for ; Thu, 14 Oct 2021 00:51:01 -0700 (PDT) Received: by mail-lf1-x12b.google.com with SMTP id n8so23054169lfk.6 for ; Thu, 14 Oct 2021 00:51:01 -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=dQ+smrx5UpIbCB5YMnN/G9AjmFDPPtEY4nsT5amIqG4=; b=khfhiOqDp1S235yPXagCxIiD97EXuQoDbbqxeCGYtj8QPoio/b/HZv7jHF8xelnEfB 6A0srjeqw1GUtlH25vsGsT6WbH2G7YwcRg4nQDcleqA+iRwbmzotJ3HR+MNyy/iG3Fjk QqdYfKRvj6iVJj775mEwTEkeDhncPFOf15BG5eBmegwXJ2ZXrU9VcEYH00ztDDkts1vF rdoDxSWDv3CFB6vdt9pkDUqEtP0sWaFSuJVD8ujlSMJ09xp6SrEEj64DlvTWsgJkn83F s/QRhNMnOcjjnBSBHhkj5xt3MO3iKzKwhveLETHDYbcPk9MTJQAUAnBk47sa/6MXhhL6 LPMg== 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=dQ+smrx5UpIbCB5YMnN/G9AjmFDPPtEY4nsT5amIqG4=; b=LFGX69peGPrFB8KaUMvPVAZZLjGiEUityLrb1RRtGlFXqQHuJdv3GnuBBFRTqDafai oZpM247G3FSuicscfyRGKeyJhLID7tI7oYANmj0/3TwZ9j91tOYPyFtYbWf86kR2O64t +xQvkJSH9rzw10CHa5WAU87YgTVRmYZbdXbd8xecZwJsVHBze6jN0xNa0wKKn7U+DnFU hVca7IwHafscpnQrRTAZtlvcJDNhzEcliZDCtM18mWMPqMFw1NBI3T8D4nGh3S8XE0K5 3MI7h0h5OnZMb5fzmEtpJ2cgHr0V3Z71piOY9tY9/5Ke8d6LzV/Tu19Ec4Ce9RwmDGQx uj5w== X-Gm-Message-State: AOAM5311Igrv+6//ZVm9Yf30toxHik8mEFw0hoVKUcxrj8prlPFSfQV4 PXBLvOJag09uhDaJH3q5DSM= X-Google-Smtp-Source: ABdhPJyAbESyIsPWaL9vzUA/oXYgRfpc1VwOuH3Waco1zdTMNtzWVFrEWQdbh8vNEqlZMEc9JvA5sw== X-Received: by 2002:a05:6512:3048:: with SMTP id b8mr3649810lfb.517.1634197859420; Thu, 14 Oct 2021 00:50:59 -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.50.2021.10.14.00.50.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 00:50:58 -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 1/2] mm/damon/vaddr: constify static mm_walk_ops Date: Thu, 14 Oct 2021 09:50:41 +0200 Message-Id: <20211014075042.17174-2-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 these structs is to pass their addresses to walk_page_range(), which takes a pointer to const mm_walk_ops as argument. Make them const to allow the compiler to put them in read-only memory. Signed-off-by: Rikard Falkeborn --- mm/damon/vaddr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 953c145b4f08..65d4f115fa66 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -476,7 +476,7 @@ static int damon_mkold_pmd_entry(pmd_t *pmd, unsigned long addr, return 0; } -static struct mm_walk_ops damon_mkold_ops = { +static const struct mm_walk_ops damon_mkold_ops = { .pmd_entry = damon_mkold_pmd_entry, }; @@ -572,7 +572,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr, return 0; } -static struct mm_walk_ops damon_young_ops = { +static const struct mm_walk_ops damon_young_ops = { .pmd_entry = damon_young_pmd_entry, }; -- 2.33.0