xtensa/mm: remove pgtable.c

It is not referenced by any Makefile.  pte_alloc_one_kernel() and
pte_alloc_one() is implemented in arch/xtensa/include/asm/pgalloc.h.
Signed-off-by: NSebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Chris Zankel <chris@zankel.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/xtensa/mm/pgtable.c

-/*
- * arch/xtensa/mm/pgtable.c
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- *
- * Chris Zankel <chris@zankel.net>
- */
-
-#if (DCACHE_SIZE > PAGE_SIZE)
-
-pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
-{
-	pte_t *pte = NULL, *p;
-	int color = ADDR_COLOR(address);
-	int i;
-
-	p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER);
-
-	if (likely(p)) {
-		split_page(virt_to_page(p), COLOR_ORDER);
-
-		for (i = 0; i < COLOR_SIZE; i++) {
-			if (ADDR_COLOR(p) == color)
-				pte = p;
-			else
-				free_page(p);
-			p += PTRS_PER_PTE;
-		}
-		clear_page(pte);
-	}
-	return pte;
-}
-
-#ifdef PROFILING
-
-int mask;
-int hit;
-int flush;
-
-#endif
-
-struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address)
-{
-	struct page *page = NULL, *p;
-	int color = ADDR_COLOR(address);
-
-	p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
-
-	if (likely(p)) {
-		split_page(p, COLOR_ORDER);
-
-		for (i = 0; i < PAGE_ORDER; i++) {
-			if (PADDR_COLOR(page_address(p)) == color)
-				page = p;
-			else
-				__free_page(p);
-			p++;
-		}
-		clear_highpage(page);
-	}
-
-	return page;
-}
-
-#endif
-
-
-