From: Andrew Morton <akpm@linux-foundation•org>
To: Mark Brown <broonie@kernel•org>
Cc: Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
Linux Next Mailing List <linux-next@vger•kernel.org>
Subject: Re: linux-next: build failure after merge of the mm-unstable tree
Date: Wed, 3 Jun 2026 11:17:52 -0700 [thread overview]
Message-ID: <20260603111752.b77ca4f4860cf68926f832a9@linux-foundation.org> (raw)
In-Reply-To: <ah_2QuKro4gYRP1c@sirena.org.uk>
On Wed, 3 Jun 2026 10:39:14 +0100 Mark Brown <broonie@kernel•org> wrote:
> After merging the mm-unstable tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> /tmp/next/build/mm/khugepaged.c:1357:6: error: variable 'pte' is used uninitialized whenever 'if' condition is true
> [-Werror,-Wsometimes-uninitialized]
> 1357 | if (result != SCAN_SUCCEED)
> | ^~~~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/mm/khugepaged.c:1458:6: note: uninitialized use occurs here
> 1458 | if (pte)
> | ^~~
> /tmp/next/build/mm/khugepaged.c:1357:2: note: remove the 'if' if its condition is always false
> 1357 | if (result != SCAN_SUCCEED)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1358 | goto out_up_write;
> | ~~~~~~~~~~~~~~~~~
> /tmp/next/build/mm/khugepaged.c:1352:6: error: variable 'pte' is used uninitialized whenever 'if' condition is true
> [-Werror,-Wsometimes-uninitialized]
> 1352 | if (result != SCAN_SUCCEED)
Dunno, really - perhaps I fed you some intermediate state. Everything
looks OK here so it should come good.
next prev parent reply other threads:[~2026-06-03 18:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-03 9:39 linux-next: build failure after merge of the mm-unstable tree Mark Brown
2026-06-03 18:17 ` Andrew Morton [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-03-18 13:51 Mark Brown
2026-03-18 18:20 ` Andrew Morton
2026-03-18 19:08 ` Mark Brown
2026-01-07 0:16 Stephen Rothwell
2025-09-11 6:05 Stephen Rothwell
2025-09-11 7:44 ` Kairui Song
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