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Tue, 28 Jul 2020 18:43:34 -0700 (PDT) Date: Tue, 28 Jul 2020 18:43:33 -0700 From: Nathan Chancellor To: Randy Dunlap Cc: Andrew Morton , 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 Subject: Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c) Message-ID: <20200729014333.GA33042@ubuntu-n2-xlarge-x86> References: <20200728011914.S-8vAYUK0%akpm@linux-foundation.org> <20200728145553.2a69fa2080de01922b3a74e0@linux-foundation.org> <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> X-Rspamd-Queue-Id: 03E5316A0BE X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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 Tue, Jul 28, 2020 at 03:39:21PM -0700, Randy Dunlap wrote: > On 7/28/20 2:55 PM, Andrew Morton wrote: > > On Tue, 28 Jul 2020 05:33:58 -0700 Randy Dunlap wrote: > >=20 > >> 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/ >=20 >=20 > >> 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, > >> ^~~~~~~~~~~~~~~ > >=20 > > 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? >=20 > I was not aware that there was a problem. cp .config and make oldconfig > should be sufficient -- and I don't understand why you would need to hi= t > enter many times. >=20 > I repeated this on my system without having to answer any oldconfig pro= mpts > and still got build errors. >=20 > There is no secret that I know of, but it would be good to get to the > bottom of this problem. >=20 > --=20 > ~Randy >=20 I usually do 'olddefconfig', which is the same as oldconfig but it selects the default value of the symbols that are new. This usually happens for me if I am flipping around in different trees like mainline and next, where there might be new or different symbols between them. Cheers, Nathan