1 files changed, 0 insertions, 150 deletions
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
deleted file mode 100644
index 8b104be4662..00000000000
--- a/arch/sparc64/mm/tlb.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/* arch/sparc64/mm/tlb.c
- *
- * Copyright (C) 2004 David S. Miller <davem@redhat.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/percpu.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/tlbflush.h>
-#include <asm/cacheflush.h>
-#include <asm/mmu_context.h>
-#include <asm/tlb.h>
-
-/* Heavily inspired by the ppc64 code.  */
-
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers) = { 0, };
-
-void flush_tlb_pending(void)
-{
-	struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
-
-	if (mp->tlb_nr) {
-		if (CTX_VALID(mp->mm->context)) {
-#ifdef CONFIG_SMP
-			smp_flush_tlb_pending(mp->mm, mp->tlb_nr,
-					      &mp->vaddrs[0]);
-#else
-			__flush_tlb_pending(CTX_HWBITS(mp->mm->context),
-					    mp->tlb_nr, &mp->vaddrs[0]);
-#endif
-		}
-		mp->tlb_nr = 0;
-	}
-}
-
-void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig)
-{
-	struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
-	unsigned long nr;
-
-	vaddr &= PAGE_MASK;
-	if (pte_exec(orig))
-		vaddr |= 0x1UL;
-
-	if (pte_dirty(orig)) {
-		unsigned long paddr, pfn = pte_pfn(orig);
-		struct address_space *mapping;
-		struct page *page;
-
-		if (!pfn_valid(pfn))
-			goto no_cache_flush;
-
-		page = pfn_to_page(pfn);
-		if (PageReserved(page))
-			goto no_cache_flush;
-
-		/* A real file page? */
-		mapping = page_mapping(page);
-		if (!mapping)
-			goto no_cache_flush;
-
-		paddr = (unsigned long) page_address(page);
-		if ((paddr ^ vaddr) & (1 << 13))
-			flush_dcache_page_all(mm, page);
-	}
-
-no_cache_flush:
-
-	if (mp->fullmm)
-		return;
-
-	nr = mp->tlb_nr;
-
-	if (unlikely(nr != 0 && mm != mp->mm)) {
-		flush_tlb_pending();
-		nr = 0;
-	}
-
-	if (nr == 0)
-		mp->mm = mm;
-
-	mp->vaddrs[nr] = vaddr;
-	mp->tlb_nr = ++nr;
-	if (nr >= TLB_BATCH_NR)
-		flush_tlb_pending();
-}
-
-void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end)
-{
-	struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
-	unsigned long nr = mp->tlb_nr;
-	long s = start, e = end, vpte_base;
-
-	if (mp->fullmm)
-		return;
-
-	/* If start is greater than end, that is a real problem.  */
-	BUG_ON(start > end);
-
-	/* However, straddling the VA space hole is quite normal. */
-	s &= PMD_MASK;
-	e = (e + PMD_SIZE - 1) & PMD_MASK;
-
-	vpte_base = (tlb_type == spitfire ?
-		     VPTE_BASE_SPITFIRE :
-		     VPTE_BASE_CHEETAH);
-
-	if (unlikely(nr != 0 && mm != mp->mm)) {
-		flush_tlb_pending();
-		nr = 0;
-	}
-
-	if (nr == 0)
-		mp->mm = mm;
-
-	start = vpte_base + (s >> (PAGE_SHIFT - 3));
-	end = vpte_base + (e >> (PAGE_SHIFT - 3));
-
-	/* If the request straddles the VA space hole, we
-	 * need to swap start and end.  The reason this
-	 * occurs is that "vpte_base" is the center of
-	 * the linear page table mapping area.  Thus,
-	 * high addresses with the sign bit set map to
-	 * addresses below vpte_base and non-sign bit
-	 * addresses map to addresses above vpte_base.
-	 */
-	if (end < start) {
-		unsigned long tmp = start;
-
-		start = end;
-		end = tmp;
-	}
-
-	while (start < end) {
-		mp->vaddrs[nr] = start;
-		mp->tlb_nr = ++nr;
-		if (nr >= TLB_BATCH_NR) {
-			flush_tlb_pending();
-			nr = 0;
-		}
-		start += PAGE_SIZE;
-	}
-	if (nr)
-		flush_tlb_pending();
-}