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Wed, 29 Jul 2020 02:04:14 +0000 Subject: Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c) To: Andrew Morton Cc: broonie@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, mhocko@suse.cz, mm-commits@vger.kernel.org, sfr@canb.auug.org.au References: <20200728011914.S-8vAYUK0%akpm@linux-foundation.org> <20200728145553.2a69fa2080de01922b3a74e0@linux-foundation.org> <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> <20200728184419.4b137162844987c9199542bb@linux-foundation.org> From: Randy Dunlap Message-ID: Date: Tue, 28 Jul 2020 19:04:09 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200728184419.4b137162844987c9199542bb@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US X-Rspamd-Queue-Id: 1DA3818140B70 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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 7/28/20 6:44 PM, Andrew Morton wrote: > On Tue, 28 Jul 2020 15:39:21 -0700 Randy Dunlap = wrote: >=20 >> On 7/28/20 2:55 PM, Andrew Morton wrote: >>> On Tue, 28 Jul 2020 05:33:58 -0700 Randy Dunlap wrote: >>> >>>> On 7/27/20 6:19 PM, Andrew Morton wrote: >>>>> The mm-of-the-moment snapshot 2020-07-27-18-18 has been uploaded to >>>>> >>>>> http://www.ozlabs.org/~akpm/mmotm/ >> >> >>>> on x86_64: >>>> >>>> ../mm/page_alloc.c:8355:48: warning: =E2=80=98struct compact_control= =E2=80=99 declared inside parameter list will not be visible outside of t= his definition or declaration >>>> static int __alloc_contig_migrate_range(struct compact_control *cc, >>>> ^~~~~~~~~~~~~~~ >>> >>> As is usually the case with your reports, I can't figure out how to >>> reproduce it. I copy then .config, run `make oldconfig' (need to hit >>> enter a zillion times because the .config is whacky) then the build >>> succeeds. What's the secret? >> >> I was not aware that there was a problem. cp .config and make oldconfi= g >> should be sufficient -- and I don't understand why you would need to h= it >> enter many times. >> >> I repeated this on my system without having to answer any oldconfig pr= ompts >> and still got build errors. >> >> There is no secret that I know of, but it would be good to get to the >> bottom of this problem. >=20 > Well the first thing I hit was >=20 > Support for big SMP systems with more than 8 CPUs (X86_BIGSMP) [N/y/?] = (NEW)=20 >=20 > and your .config doesn't mention that. It's an x86_32 symbol and my config was for x86_64. > make mrproper > cp ~/config-randy .config > make oldconfig make ARCH=3Dx86_64 oldconfig HTH. --=20 ~Randy