mm, hugetlb: use vma_resv_map() map types
mm, hugetlb: use vma_resv_map() map types

Util now, we get a resv_map by two ways according to each mapping type.
This makes code dirty and unreadable.  Unify it.

[4aa5652442886f3c4e77d3a743dc27e129c1613f@hp.com: code cleanups]
Signed-off-by: Joonsoo Kim <bb6c8cfe7699e0f11d1bee88022eb563a5f8e881@lge.com>
Signed-off-by: Davidlohr Bueso <4aa5652442886f3c4e77d3a743dc27e129c1613f@hp.com>
Reviewed-by: Aneesh Kumar K.V <f511f818e8a0748edef6b9ee378967da9ed0c78f@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <8e7a128cd0264d3269a891fb3e87507c2985f8af@ah.jp.nec.com>
Cc: David Gibson <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@gibson.dropbear.id.au>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs