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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3E72C636C9 for ; Thu, 15 Jul 2021 18:01:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B840561289 for ; Thu, 15 Jul 2021 18:01:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237163AbhGOSED (ORCPT ); Thu, 15 Jul 2021 14:04:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237067AbhGOSEB (ORCPT ); Thu, 15 Jul 2021 14:04:01 -0400 Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B616DC061762 for ; Thu, 15 Jul 2021 11:01:07 -0700 (PDT) Received: by mail-lj1-x22c.google.com with SMTP id u25so10101341ljj.11 for ; Thu, 15 Jul 2021 11:01:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=2d9p90AIyYXuZyz8N1X+igPtEqtQ6xFMtj7iBan61/4=; b=DG7GKyt4XSoEmdsNZbS2IReKQaI3T7Q+Co+VBceo4tACNkMJfUaeYqnuxt3bN1fnXj GZohmTB12gTVjMurUepDi5ro5Qu1uQkqXHiScBoCVS8xWKdXNmPdoae4v7aN1/NHiowV MJtcwIVJ4dbdleqfXwxAca/OZnHXfp/C5T/OgyikiLs6H1Zr7Jsbo8IxT8msrdozjb+c fByH4YGIejRqn7Tb4gXsisqfZUNMxQcqxxisbxt7TbEzdZLYBySk0X6+X3YixXgSSHQE Iq69f7+cLBQqJ8yvzByhikPJjkCC01ycMNR5WreQuy3LH4+RK/nwLv0RYh8QXdoP0MX6 UTRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=2d9p90AIyYXuZyz8N1X+igPtEqtQ6xFMtj7iBan61/4=; b=NtkGS0D0/4eR6QW/vDGxSV08uHxq+6k+hsAR+1aQmFHJJHfgDcNl+aQHN/16qycF4M hBE1RkukaWFT6zME+LDoTE3KjP99DJrchE1GgQJjBM4UWcOw/+VmCsLNd+pHVf55pPbe hdLaYFgkajAq1YQ0k9PQSsgpSn6m4RPjnfAbtGUlzwPDKJkxXsMAgUpas091o8Ebu+sC Dux2yWtr+ULlEgtJ2w9MLTgROEzx/8FOyo1fCw5d/x23Bhpj/g6LhCMadoQMS/ZmBoQA FsvnWYX4TXUBoVdcEyC5Jl2bdFneSpZD/UWXTMulW6Vrqi3ukGEuwNdfyEfCneuUBPQu g6cg== X-Gm-Message-State: AOAM532Tuiqf6VwNenVtZBTdzLsKEgMHoYpia8kRqDF9yuJMWpdPIiQe zLDEGwaQV2JZvpX9f6vbb24= X-Google-Smtp-Source: ABdhPJz/T4eD4gvnZIxPn+tGbMZHDPbGOCEpm5Q+cGIfzkZX/+OASMlP53bWa1D5JtfFgWhs6RYlJg== X-Received: by 2002:a2e:a712:: with SMTP id s18mr5245619lje.161.1626372066140; Thu, 15 Jul 2021 11:01:06 -0700 (PDT) Received: from asus ([37.151.208.206]) by smtp.gmail.com with ESMTPSA id r3sm497511lfc.280.2021.07.15.11.01.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Jul 2021 11:01:05 -0700 (PDT) Date: Fri, 16 Jul 2021 00:01:03 +0600 From: Zhansaya Bagdauletkyzy To: akpm@linux-foundation.org Cc: tyhicks@linux.microsoft.com, pasha.tatashin@soleen.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] mm: KSM: fix data type Message-ID: <3610f5373bb12ea04e025bafbf8350f75c0dbf4b.1626371112.git.zhansayabagdaulet@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ksm_stable_node_chains_prune_millisecs is declared as int, but in stable__node_chains_prune_millisecs_store(), it can store values up to UINT_MAX. Change the variable type to unsigned int. Signed-off-by: Zhansaya Bagdauletkyzy --- mm/ksm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/ksm.c b/mm/ksm.c index 057d0c245bf4..2e4bd7662e52 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -259,7 +259,7 @@ static unsigned long ksm_stable_node_chains; static unsigned long ksm_stable_node_dups; /* Delay in pruning stale stable_node_dups in the stable_node_chains */ -static int ksm_stable_node_chains_prune_millisecs = 2000; +static unsigned int ksm_stable_node_chains_prune_millisecs = 2000; /* Maximum number of page slots sharing a stable node */ static int ksm_max_page_sharing = 256; @@ -3105,11 +3105,11 @@ stable_node_chains_prune_millisecs_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { - unsigned long msecs; + unsigned int msecs; int err; - err = kstrtoul(buf, 10, &msecs); - if (err || msecs > UINT_MAX) + err = kstrtouint(buf, 10, &msecs); + if (err) return -EINVAL; ksm_stable_node_chains_prune_millisecs = msecs; -- 2.25.1