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

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Date:	Fri, 24 Jul 2015 15:50:11 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mike Kravetz <mike.kravetz@...cle.com>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi Andrew,

After merging the akpm-current tree, today's linux-next build (i386
defconfig) failed like this:

fs/hugetlbfs/inode.c: In function 'hugetlbfs_fallocate':
fs/hugetlbfs/inode.c:578:13: error: 'struct vm_area_struct' has no member named 'vm_policy'
   pseudo_vma.vm_policy =
             ^
fs/hugetlbfs/inode.c:579:4: error: implicit declaration of function 'mpol_shared_policy_lookup' [-Werror=implicit-function-declaration]
    mpol_shared_policy_lookup(&HUGETLBFS_I(inode)->policy,
    ^
fs/hugetlbfs/inode.c:595:28: error: 'struct vm_area_struct' has no member named 'vm_policy'
    mpol_cond_put(pseudo_vma.vm_policy);
                            ^
fs/hugetlbfs/inode.c:601:27: error: 'struct vm_area_struct' has no member named 'vm_policy'
   mpol_cond_put(pseudo_vma.vm_policy);
                           ^
Caused by commit

  6b2ac4455b3d ("hugetlbfs: add hugetlbfs_fallocate()")

vm_policy and mpol_shared_policy_lookup are only defined when CONFIG_NUMA
is set.

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
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