arm64: mm: remove pointless PAGE_MASKing

As pgd_offset{,_k} shift the input address by PGDIR_SHIFT, the sub-page
bits will always be shifted out. There is no need to apply PAGE_MASK
before this.

Signed-off-by: Mark Rutland <[e-mail]>
Cc: Ard Biesheuvel <[e-mail]>
Cc: Catalin Marinas <[e-mail]>
Cc: Jeremy Linton <[e-mail]>
Cc: Laura Abbott <[e-mail]>
Cc: Will Deacon <[e-mail]>
Signed-off-by: Will Deacon <[e-mail]>

arch/arm64/mm/mmu.c

···
 			&phys, virt);
 		return;
 	}
-	__create_mapping(&init_mm, pgd_offset_k(virt & PAGE_MASK), phys, virt,
+	__create_mapping(&init_mm, pgd_offset_k(virt), phys, virt,
 			 size, prot, early_alloc);
 }
 
···
 		return;
 	}
 
-	return __create_mapping(&init_mm, pgd_offset_k(virt & PAGE_MASK),
+	return __create_mapping(&init_mm, pgd_offset_k(virt),
 				phys, virt, size, prot, late_alloc);
 }