sh/hugetlb: pte_alloc_huge() pte_offset_huge()

pte_alloc_map() expects to be followed by pte_unmap(), but hugetlb omits
that: to keep balance in future, use the recently added pte_alloc_huge()
instead; with pte_offset_huge() a better name for pte_offset_kernel().

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Hugh Dickins <[e-mail]>
Cc: Alexander Gordeev <[e-mail]>
Cc: Alexandre Ghiti <[e-mail]>
Cc: Aneesh Kumar K.V <[e-mail]>
Cc: Catalin Marinas <[e-mail]>
Cc: Christian Borntraeger <[e-mail]>
Cc: Chris Zankel <[e-mail]>
Cc: Claudio Imbrenda <[e-mail]>
Cc: David Hildenbrand <[e-mail]>
Cc: "David S. Miller" <[e-mail]>
Cc: Geert Uytterhoeven <[e-mail]>
Cc: Greg Ungerer <[e-mail]>
Cc: Heiko Carstens <[e-mail]>
Cc: Helge Deller <[e-mail]>
Cc: "H. Peter Anvin" <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: John David Anglin <[e-mail]>
Cc: John Paul Adrian Glaubitz <[e-mail]>
Cc: Kirill A. Shutemov <[e-mail]>
Cc: Matthew Wilcox (Oracle) <[e-mail]>
Cc: Max Filippov <[e-mail]>
Cc: Michael Ellerman <[e-mail]>
Cc: Michal Simek <[e-mail]>
Cc: Mike Kravetz <[e-mail]>
Cc: Mike Rapoport (IBM) <[e-mail]>
Cc: Palmer Dabbelt <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Qi Zheng <[e-mail]>
Cc: Russell King <[e-mail]>
Cc: Suren Baghdasaryan <[e-mail]>
Cc: Thomas Bogendoerfer <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Will Deacon <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>

arch/sh/mm/hugetlbpage.c

···
 			if (pud) {
 				pmd = pmd_alloc(mm, pud, addr);
 				if (pmd)
-					pte = pte_alloc_map(mm, pmd, addr);
+					pte = pte_alloc_huge(mm, pmd, addr);
 			}
 		}
 	}
···
 			if (pud) {
 				pmd = pmd_offset(pud, addr);
 				if (pmd)
-					pte = pte_offset_map(pmd, addr);
+					pte = pte_offset_huge(pmd, addr);
 			}
 		}
 	}