MIPS: mm: Remove unused is_aligned_hugepage_range

Function is_aligned_hugepage_range is no longer needed.
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/mm/hugetlbpage.c

@@ -58,18 +58,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
 	return (pte_t *) pmd;
 }
 
-/*
- * This function checks for proper alignment of input addr and len parameters.
- */
-int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
-{
-	if (len & ~HPAGE_MASK)
-		return -EINVAL;
-	if (addr & ~HPAGE_MASK)
-		return -EINVAL;
-	return 0;
-}
-
 int pmd_huge(pmd_t pmd)
 {
 	return (pmd_val(pmd) & _PAGE_HUGE) != 0;