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Date:   Fri, 7 Aug 2020 08:16:53 +0800
From:   kernel test robot <>
To:     Nicolas Saenz Julienne <>,,,,
        Marek Szyprowski <>,
        Robin Murphy <>
        Nicolas Saenz Julienne <>,
Subject: Re: [PATCH v3 2/2] dma-pool: Only allocate from CMA when in same
 memory zone

Hi Nicolas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on iommu/next]
[also build test WARNING on linus/master v5.8]
[cannot apply to next-20200806]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in]

base: next
config: x86_64-randconfig-s031-20200806 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
        # apt-get install sparse
        # sparse version: v0.6.2-117-g8c7aee71-dirty
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux.o(.text+0x2840fa): Section mismatch in reference from the function atomic_pool_expand() to the function .meminit.text:memblock_start_of_DRAM()
The function atomic_pool_expand() references
the function __meminit memblock_start_of_DRAM().
This is often because atomic_pool_expand lacks a __meminit
annotation or the annotation of memblock_start_of_DRAM is wrong.

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (39780 bytes)

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