mm, hugetlb: improve, cleanup resv_map parameters
To change a protection method for region tracking to find grained one, we pass the resv_map, instead of list_head, to region manipulation functions. This doesn't introduce any functional change, and it is just for preparing a next step. [davidlohr@hp.com: update changelog] Signed-off-by: NJoonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: NDavidlohr Bueso <davidlohr@hp.com> Reviewed-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Reviewed-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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