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Re: linux-next: build failure after merge of the akpm-current tree

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On Wed, Feb 03, 2016 at 04:10:30PM +1100, Stephen Rothwell wrote:
> Hi Andrew,
> 
> After merging the akpm-current tree, today's linux-next build (i386
> defconfig) failed like this:
> 
> In file included from include/linux/mm.h:67:0,
>                  from include/linux/suspend.h:8,
>                  from arch/x86/kernel/asm-offsets.c:12:
> arch/x86/include/asm/pgtable.h:212:24: error: redefinition of 'pud_trans_huge'
>  #define pud_trans_huge pud_trans_huge
>                         ^
> include/asm-generic/pgtable.h:696:19: note: in expansion of macro 'pud_trans_huge'
>  static inline int pud_trans_huge(pud_t pud)
>                    ^
> arch/x86/include/asm/pgtable.h:208:19: note: previous definition of 'pud_trans_huge' was here
>  static inline int pud_trans_huge(pud_t pud)
>                    ^
> 
> Caused by commit
> 
>   42416e8d1a10 ("x86-add-support-for-pud-sized-transparent-hugepages-fix")
> 
> Which, it turns out, is "wrong/hacky" :-)
> 
> I have reverted that patch for today and added this (also maybe
> wrong/hacky) patch:

And x86_64 defconfig also fails with:
../fs/proc/task_mmu.c: In function ‘smaps_pud_range’:
../fs/proc/task_mmu.c:596:2: error: implicit declaration of function
	‘is_huge_zero_pud’ [-Werror=implicit-function-declaration]

regards
sudip

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linux-next: build failure after merge of the akpm-current tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-02-03 06:20 +0100
  Re: linux-next: build failure after merge of the akpm-current tree Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-02-03 07:00 +0100

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