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 3A586C433F5 for ; Sun, 9 Jan 2022 07:39:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 629EE6B0072; Sun, 9 Jan 2022 02:39:25 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5DAAE6B0073; Sun, 9 Jan 2022 02:39:25 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4C9586B0074; Sun, 9 Jan 2022 02:39:25 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0253.hostedemail.com [216.40.44.253]) by kanga.kvack.org (Postfix) with ESMTP id 3DAF26B0072 for ; Sun, 9 Jan 2022 02:39:25 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id DBC3D824C442 for ; Sun, 9 Jan 2022 07:39:24 +0000 (UTC) X-FDA: 79009948248.26.E7D809B Received: from srvc114.turhost.com (srvc114.turhost.com [109.232.216.117]) by imf23.hostedemail.com (Postfix) with ESMTP id F093D14000A for ; Sun, 9 Jan 2022 07:39:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ercanersoy.net; s=default; h=Content-Transfer-Encoding:Content-Type: Message-ID:Subject:Cc:To:From:Date:MIME-Version:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=G04Y8GSoLZmUnCgXdMDlJFKF6Vl2a2TJL3PA/6fHimM=; b=seqfPa+Mxw3r9SMlxxi+A7gZOh 79/muAG+WWUuOk/HltZDQ5S6srOVxLypdl2CmivevITnhP6RRytWaxgzZLuHdv0mm3mb47Jf9ZZIU XWo+k32v7HBzMc15T664RjlLpH2qtnuGH2GOzxRePjpBZTCZdVOfjr2QvHDAnGlbq2XL6ROrXS5WC o7Mib6C0DNXqA4Lam88BjvOz/Il1+65H0wm7x9Pxp0qJYOkM6AnxRPLos+FaysLaxt1aGbweXq4Do 38/AH9agLiTNzmVoac3IzrWkxBH6KYL5NrpSuQzakIn47DD3DLtDxHnCLgoszO8hXioRQlyrZxejP w7RN4G+w==; Received: from [::1] (port=39612 helo=srvc114.turhost.com) by srvc114.turhost.com with esmtpa (Exim 4.94.2) (envelope-from ) id 1n6SnQ-008UXK-S9; Sun, 09 Jan 2022 10:39:21 +0300 MIME-Version: 1.0 Date: Sun, 09 Jan 2022 10:39:19 +0300 From: Ercan Ersoy To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org Subject: [PATCH 2/2] Fix assgining cma_area_count User-Agent: Roundcube Webmail/1.4.12 Message-ID: <775ae3ba4f7034a78769559fa1a3542a@ercanersoy.net> X-Sender: ercanersoy@ercanersoy.net Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - srvc114.turhost.com X-AntiAbuse: Original Domain - kvack.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - ercanersoy.net X-Get-Message-Sender-Via: srvc114.turhost.com: authenticated_id: ercanersoy@ercanersoy.net X-Authenticated-Sender: srvc114.turhost.com: ercanersoy@ercanersoy.net X-Source: X-Source-Args: X-Source-Dir: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: F093D14000A X-Stat-Signature: apmdpqn6ut439wtco78fprr1dzm87xrz Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=ercanersoy.net header.s=default header.b=seqfPa+M; dmarc=none; spf=pass (imf23.hostedemail.com: domain of ercanersoy@ercanersoy.net designates 109.232.216.117 as permitted sender) smtp.mailfrom=ercanersoy@ercanersoy.net X-HE-Tag: 1641713962-196888 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: I have patched "Contiguous Memory Allocator" of Linux kernel. This fix of patch is for cma_init_reserved_mem function in mm/cma.c source file as creating area without specific name. Without fix may be a problem a lot of cma as next cma2147483647 naming. Without fix may be a problem huge memory systems. I think after "cma2147483647" naming is "cma-2147483648". Thanks for interesting, Ercan --- START PATCH --- From 5d3d01a3a0f7339617d1df945c0bd0ec1ab91ae3 Mon Sep 17 00:00:00 2001 From: Ercan Ersoy Date: Sun, 9 Jan 2022 10:01:14 +0300 Subject: [PATCH 2/2] Fix assgining cma_area_count Fix assigning to cma->name in cma_init_reserved_mem function in mm/cma.c source file. Signed-off-by: Ercan Ersoy --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/cma.c b/mm/cma.c index bc9ca8f3c487..03f01d1f1b57 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -199,7 +199,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, if (name) snprintf(cma->name, CMA_MAX_NAME, name); else - snprintf(cma->name, CMA_MAX_NAME, "cma%d\n", cma_area_count); + snprintf(cma->name, CMA_MAX_NAME, "cma%u\n", cma_area_count); cma->base_pfn = PFN_DOWN(base); cma->count = size >> PAGE_SHIFT; -- 2.30.2 --- END PATCH ---