[zwisler:ext4_PMD_allocation 41/404] WARNING: mm/built-in.o(.text+0x21122): Section mismatch in reference from the function _get_kmalloc_cache_name() to the variable .init.rodata:_kmalloc_info

kbuild test robot <fengguang.wu@xxxxxxxxx> · Fri, 10 Feb 2017 11:21:59 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/zwisler/linux.git ext4_PMD_allocation
head:   c0dd530d5927f9bdd798cdfad4842797a58824ac
commit: 3a7f60d64ba4e0c6e96f799f5b93709d963d2495 [41/404] mm, slab: rename kmalloc-node cache to kmalloc-<size>
config: blackfin-allmodconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 3a7f60d64ba4e0c6e96f799f5b93709d963d2495
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All warnings (new ones prefixed by >>):

>> WARNING: mm/built-in.o(.text+0x21122): Section mismatch in reference from the function _get_kmalloc_cache_name() to the variable .init.rodata:_kmalloc_info
   The function _get_kmalloc_cache_name() references
   the variable __initconst _kmalloc_info.
   This is often because _get_kmalloc_cache_name lacks a __initconst
   annotation or the annotation of _kmalloc_info is wrong.

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