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=-6.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 3D964C433DB for ; Wed, 23 Dec 2020 04:06:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A0FE02231F for ; Wed, 23 Dec 2020 04:06:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0FE02231F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id DDCC68D0016; Tue, 22 Dec 2020 23:06:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D8DC98D0015; Tue, 22 Dec 2020 23:06:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CCAE38D0016; Tue, 22 Dec 2020 23:06:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0157.hostedemail.com [216.40.44.157]) by kanga.kvack.org (Postfix) with ESMTP id B65248D0015 for ; Tue, 22 Dec 2020 23:06:08 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 8138A180AD801 for ; Wed, 23 Dec 2020 04:06:08 +0000 (UTC) X-FDA: 77623209216.10.meat24_4a0d3f827465 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 6435416A0DE for ; Wed, 23 Dec 2020 04:06:08 +0000 (UTC) X-HE-Tag: meat24_4a0d3f827465 X-Filterd-Recvd-Size: 3061 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Wed, 23 Dec 2020 04:06:07 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id B3D4020684; Wed, 23 Dec 2020 04:06:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608696366; bh=Ny8D8p97ZHDfQ5AI3YPIlIUzfxUr4dUlI1p+pMfgetA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RvnQ9UKDdFFeQnO/T+0wjYA0wYw1ttmhgHjZ/q708Av8c3iUKZqsdj/P7cREUXSEQ E7X13hbP9SPlDGfeRL9PkJtyZqhyTMp1fvhOIAqr/xn658HNJfGq1F0qK6pvVmMCUp ssF6N0P0j34NK7labb0gksYK8Izy9T9Dmzjsnwao= Date: Tue, 22 Dec 2020 20:06:06 -0800 From: Andrew Morton To: Roman Gushchin Cc: Mike Rapoport , , Joonsoo Kim , Rik van Riel , Michal Hocko , , Subject: Re: [PATCH v2 1/2] mm: cma: allocate cma areas bottom-up Message-Id: <20201222200606.fe4444f1f0ba008ee9fda091@linux-foundation.org> In-Reply-To: <20201221170551.GB3428478@carbon.DHCP.thefacebook.com> References: <20201217201214.3414100-1-guro@fb.com> <20201220064848.GA392325@kernel.org> <20201221170551.GB3428478@carbon.DHCP.thefacebook.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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: On Mon, 21 Dec 2020 09:05:51 -0800 Roman Gushchin wrote: > Subject: [PATCH v3 1/2] mm: cma: allocate cma areas bottom-up i386 allmodconfig: In file included from ./include/vdso/const.h:5, from ./include/linux/const.h:4, from ./include/linux/bits.h:5, from ./include/linux/bitops.h:6, from ./include/linux/kernel.h:11, from ./include/asm-generic/bug.h:20, from ./arch/x86/include/asm/bug.h:93, from ./include/linux/bug.h:5, from ./include/linux/mmdebug.h:5, from ./include/linux/mm.h:9, from ./include/linux/memblock.h:13, from mm/cma.c:24: mm/cma.c: In function =E2=80=98cma_declare_contiguous_nid=E2=80=99: ./include/uapi/linux/const.h:20:19: warning: conversion from =E2=80=98lon= g long unsigned int=E2=80=99 to =E2=80=98phys_addr_t=E2=80=99 {aka =E2=80= =98unsigned int=E2=80=99} changes value from =E2=80=984294967296=E2=80=99= to =E2=80=980=E2=80=99 [-Woverflow] #define __AC(X,Y) (X##Y) ^~~~~~ ./include/uapi/linux/const.h:21:18: note: in expansion of macro =E2=80=98= __AC=E2=80=99 #define _AC(X,Y) __AC(X,Y) ^~~~ ./include/linux/sizes.h:46:18: note: in expansion of macro =E2=80=98_AC=E2= =80=99 #define SZ_4G _AC(0x100000000, ULL) ^~~ mm/cma.c:349:53: note: in expansion of macro =E2=80=98SZ_4G=E2=80=99 addr =3D memblock_alloc_range_nid(size, alignment, SZ_4G, ^~~~~