netdev - Re: [linux-next:master] BUILD REGRESSION a54df7622717a40ddec95fd98086aff8ba7839a6

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Date:   Tue, 24 Jan 2023 12:28:00 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     kernel test robot <lkp@...el.com>
Cc:     virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-mm@...ck.org, linux-arm-kernel@...ts.infradead.org,
        amd-gfx@...ts.freedesktop.org,
        Sidhartha Kumar <sidhartha.kumar@...cle.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [linux-next:master] BUILD REGRESSION
 a54df7622717a40ddec95fd98086aff8ba7839a6

On Wed, 25 Jan 2023 00:37:05 +0800 kernel test robot <lkp@...el.com> wrote:

> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> branch HEAD: a54df7622717a40ddec95fd98086aff8ba7839a6  Add linux-next specific files for 20230124
> 
> Error/Warning: (recently discovered and may have been fixed)
> 
> ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined!
> ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined!
> drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_training.c:1585:38: warning: variable 'result' set but not used [-Wunused-but-set-variable]
> 
> Unverified Error/Warning (likely false positive, please contact us if interested):
> 
> ...
>
> mm/hugetlb.c:3100 alloc_hugetlb_folio() error: uninitialized symbol 'h_cg'.

	hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, folio);

The warning looks to be bogus.  I guess we could put a "= NULL" in
there to keep the compiler quiet?