[PATCH] arch/powerpc/mm/slice: Cleanup leftover use of task_size

[kbuild test robot]

Hi Rick,

[auto build test ERROR on powerpc/next]
[also build test ERROR on next-20170413]
[cannot apply to v4.11-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/ricklind-linux-vnet-ibm-com/arch-powerpc-mm-slice-Cleanup-leftover-use-of-task_size/20170413-182643
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/mm/slice.c: In function 'slice_area_is_free':
>> arch/powerpc/mm/slice.c:99:9: error: 'struct mm_struct' has no member named 'addr_limit'
     if ((mm->addr_limit - len) < addr)
            ^~
   arch/powerpc/mm/slice.c: In function 'slice_mask_for_free':
   arch/powerpc/mm/slice.c:136:8: error: 'struct mm_struct' has no member named 'addr_limit'
     if (mm->addr_limit <= SLICE_LOW_TOP)
           ^~
   In file included from include/linux/bug.h:4:0,
                    from include/linux/mmdebug.h:4,
                    from include/linux/mm.h:8,
                    from arch/powerpc/mm/slice.c:28:
   arch/powerpc/mm/slice.c: In function 'slice_get_unmapped_area':
   arch/powerpc/mm/slice.c:447:11: error: 'struct mm_struct' has no member named 'addr_limit'
     BUG_ON(mm->addr_limit == 0);
              ^
   arch/powerpc/include/asm/bug.h:75:27: note: in definition of macro 'BUG_ON'
     if (__builtin_constant_p(x)) {    \
                              ^
   arch/powerpc/mm/slice.c:447:11: error: 'struct mm_struct' has no member named 'addr_limit'
     BUG_ON(mm->addr_limit == 0);
              ^
   arch/powerpc/include/asm/bug.h:76:7: note: in definition of macro 'BUG_ON'
      if (x)      \
          ^
   arch/powerpc/mm/slice.c:447:11: error: 'struct mm_struct' has no member named 'addr_limit'
     BUG_ON(mm->addr_limit == 0);
              ^
   arch/powerpc/include/asm/bug.h:84:25: note: in definition of macro 'BUG_ON'
        "r" ((__force long)(x)));   \
                            ^
   arch/powerpc/mm/slice.c:454:14: error: 'struct mm_struct' has no member named 'addr_limit'
     if (len > mm->addr_limit)
                 ^~
   arch/powerpc/mm/slice.c:460:25: error: 'struct mm_struct' has no member named 'addr_limit'
     if (fixed && addr > (mm->addr_limit - len))
                            ^~
   arch/powerpc/mm/slice.c:468:16: error: 'struct mm_struct' has no member named 'addr_limit'
      if (addr > mm->addr_limit - len ||
                   ^~

vim +99 arch/powerpc/mm/slice.c

    93	
    94	static int slice_area_is_free(struct mm_struct *mm, unsigned long addr,
    95				      unsigned long len)
    96	{
    97		struct vm_area_struct *vma;
    98	
  > 99		if ((mm->addr_limit - len) < addr)
   100			return 0;
   101		vma = find_vma(mm, addr);
   102		return (!vma || (addr + len) <= vma->vm_start);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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