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Date: Thu, 6 Jan 2022 11:06:08 -0700
From: Nathan Chancellor <nathan@kernel.org>
To: ci_notify@linaro.org
Cc: Christoph Hellwig <hch@lst.de>, llvm@lists.linux.dev, arnd@linaro.org
Subject: Re: [TCWG CI] Regression caused by linux: mm: simplify try_to_unuse
Message-ID: <YdcvkPTWAklekKJd@archlinux-ax161>
References: <16541504.9774.1641492012616@jenkins.jenkins>
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In-Reply-To: <16541504.9774.1641492012616@jenkins.jenkins>

On Thu, Jan 06, 2022 at 06:00:11PM +0000, ci_notify@linaro.org wrote:
> [TCWG CI] Regression caused by linux: mm: simplify try_to_unuse:
> commit a1d1774f68ae83a47e9183f0ca5c0d1ce017eb9b
> Author: Christoph Hellwig <hch@lst.de>
> 
>     mm: simplify try_to_unuse
> 
> Results regressed to
> # reset_artifacts:
> -10
> # build_abe binutils:
> -9
> # build_llvm:
> -5
> # build_abe qemu:
> -2
> # linux_n_obj:
> 553
> # First few build errors in logs:
> # 00:00:44 mm/shmem.c:3993:5: error: conflicting types for 'shmem_unuse'
> # 00:00:44 make[1]: *** [mm/shmem.o] Error 1
> # 00:00:44 make: *** [mm] Error 2

Not a clang specific regression.

This was reported by Naresh Kamboju:

https://lore.kernel.org/r/CA+G9fYvXfD3wS8eJV6A6GygqhJb3AUF9OROQAkBRRTN+thVo-g@mail.gmail.com/

Matthew Wilcox suggested a fix up:

https://lore.kernel.org/r/YdXYHP5gPMRzmv0B@casper.infradead.org/

Andrew just needs to apply it.

Cheers,
Nathan