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SubjectRe: [PATCH] mm/hugetlb: i_mmap_lock_write before unmapping in remove_inode_hugepages
On Wed, 21 Oct 2015, Mike Kravetz wrote:

>Code was added to remove_inode_hugepages that will unmap a page if
>it is mapped. i_mmap_lock_write() must be taken during the call
>to hugetlb_vmdelete_list(). This is to prevent mappings(vmas) from
>being added or deleted while the list of vmas is being examined.
^^^^ interval-tree.
>
>Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>

Reviewed-by: Davidlohr Bueso <dbueso@suse.de>


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