[next:master 77/159] fs/proc/task_mmu.c:505:193: error: call to '__compiletime_assert_505' declared with attribute error: BUILD_BUG failed

[next:master 77/159] fs/proc/task_mmu.c:505:193: error: call to '__compiletime_assert_505' declared with attribute error: BUILD_BUG failed

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   07d0e2d232fee3ff692c50150b2aa6e3b7755f8f
commit: b0e08c526179642dccfd2c7caff31d2419492829 [77/159] mm/pagewalk: move pmd_trans_huge_lock() from callbacks to common code
config: make ARCH=i386 defconfig

Note: the next/master HEAD 07d0e2d232fee3ff692c50150b2aa6e3b7755f8f builds fine.
      It only hurts bisectibility.

All error/warnings:

   fs/proc/task_mmu.c: In function 'smaps_pmd':
>> fs/proc/task_mmu.c:505:193: error: call to '__compiletime_assert_505' declared with attribute error: BUILD_BUG failed
     smaps_pte((pte_t *)pmd, addr, addr + HPAGE_PMD_SIZE, walk);
                                                                                                                                                                                                    ^
>> fs/proc/task_mmu.c:506:178: error: call to '__compiletime_assert_506' declared with attribute error: BUILD_BUG failed
     mss->anonymous_thp += HPAGE_PMD_SIZE;
                                                                                                                                                                                     ^

vim +/__compiletime_assert_505 +505 fs/proc/task_mmu.c

   499	}
   500	
   501	static int smaps_pmd(pmd_t *pmd, unsigned long addr, unsigned long end,
   502				struct mm_walk *walk)
   503	{
   504		struct mem_size_stats *mss = walk->private;
 > 505		smaps_pte((pte_t *)pmd, addr, addr + HPAGE_PMD_SIZE, walk);
 > 506		mss->anonymous_thp += HPAGE_PMD_SIZE;
   507		return 0;
   508	}
   509	

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Re: [next:master 77/159] fs/proc/task_mmu.c:505:193: error: call to '__compiletime_assert_505' declared with attribute error: BUILD_BUG failed

[David Rientjes]

On Thu, 19 Jun 2014, kbuild test robot wrote:

> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   07d0e2d232fee3ff692c50150b2aa6e3b7755f8f
> commit: b0e08c526179642dccfd2c7caff31d2419492829 [77/159] mm/pagewalk: move pmd_trans_huge_lock() from callbacks to common code
> config: make ARCH=i386 defconfig
> 
> Note: the next/master HEAD 07d0e2d232fee3ff692c50150b2aa6e3b7755f8f builds fine.
>       It only hurts bisectibility.
> 
> All error/warnings:
> 
>    fs/proc/task_mmu.c: In function 'smaps_pmd':
> >> fs/proc/task_mmu.c:505:193: error: call to '__compiletime_assert_505' declared with attribute error: BUILD_BUG failed
>      smaps_pte((pte_t *)pmd, addr, addr + HPAGE_PMD_SIZE, walk);
>                                                                                                                                                                                                     ^
> >> fs/proc/task_mmu.c:506:178: error: call to '__compiletime_assert_506' declared with attribute error: BUILD_BUG failed
>      mss->anonymous_thp += HPAGE_PMD_SIZE;
>                                                                                                                                                                                      ^

mm-pagewalk-move-pmd_trans_huge_lock-from-callbacks-to-common-code.patch 
was removed from -mm on Monday.  We probably need to wait for another 
mmotm before this vanishes.

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