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Re: [PATCH] hugetlbfs: initialize shared policy as part of inode allocation

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Mike Kravetz wrote:
> Any time after inode allocation, destroy_inode can be called.  The
> hugetlbfs inode contains a shared_policy structure, and
> mpol_free_shared_policy is unconditionally called as part of
> hugetlbfs_destroy_inode.  Initialize the policy as part of inode
> allocation so that any quick (error path) calls to destroy_inode
> will be handed an initialized policy.

I think you can as well do

-		struct hugetlbfs_inode_info *info;
-		info = HUGETLBFS_I(inode);
-		mpol_shared_policy_init(&info->policy, NULL);

in hugetlbfs_get_root().

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[PATCH] hugetlbfs: initialize shared policy as part of inode allocation Mike Kravetz <mike.kravetz@oracle.com> - 2017-03-25 00:20 +0100
  Re: [PATCH] hugetlbfs: initialize shared policy as part of inode allocation Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2017-03-25 02:00 +0100
    Re: [PATCH] hugetlbfs: initialize shared policy as part of inode  allocation Mike Kravetz <mike.kravetz@oracle.com> - 2017-03-25 22:40 +0100

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