1 files changed, 15 insertions, 53 deletions

diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 0d394e0e883..2dc625346c4 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -19,6 +19,7 @@
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
+#include <asm/tlbmisc.h>
 
 extern void build_tlb_refill_handler(void);
 
@@ -120,22 +121,30 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 
 	if (cpu_context(cpu, mm) != 0) {
 		unsigned long size, flags;
+		int huge = is_vm_hugetlb_page(vma);
 
 		ENTER_CRITICAL(flags);
-		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-		size = (size + 1) >> 1;
+		if (huge) {
+			start = round_down(start, HPAGE_SIZE);
+			end = round_up(end, HPAGE_SIZE);
+			size = (end - start) >> HPAGE_SHIFT;
+		} else {
+			start = round_down(start, PAGE_SIZE << 1);
+			end = round_up(end, PAGE_SIZE << 1);
+			size = (end - start) >> (PAGE_SHIFT + 1);
+		}
 		if (size <= current_cpu_data.tlbsize/2) {
 			int oldpid = read_c0_entryhi();
 			int newpid = cpu_asid(cpu, mm);
 
-			start &= (PAGE_MASK << 1);
-			end += ((PAGE_SIZE << 1) - 1);
-			end &= (PAGE_MASK << 1);
 			while (start < end) {
 				int idx;
 
 				write_c0_entryhi(start | newpid);
-				start += (PAGE_SIZE << 1);
+				if (huge)
+					start += HPAGE_SIZE;
+				else
+					start += (PAGE_SIZE << 1);
 				mtc0_tlbw_hazard();
 				tlb_probe();
 				tlb_probe_hazard();
@@ -368,51 +377,6 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 	EXIT_CRITICAL(flags);
 }
 
-/*
- * Used for loading TLB entries before trap_init() has started, when we
- * don't actually want to add a wired entry which remains throughout the
- * lifetime of the system
- */
-
-static int temp_tlb_entry __cpuinitdata;
-
-__init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
-			       unsigned long entryhi, unsigned long pagemask)
-{
-	int ret = 0;
-	unsigned long flags;
-	unsigned long wired;
-	unsigned long old_pagemask;
-	unsigned long old_ctx;
-
-	ENTER_CRITICAL(flags);
-	/* Save old context and create impossible VPN2 value */
-	old_ctx = read_c0_entryhi();
-	old_pagemask = read_c0_pagemask();
-	wired = read_c0_wired();
-	if (--temp_tlb_entry < wired) {
-		printk(KERN_WARNING
-		       "No TLB space left for add_temporary_entry\n");
-		ret = -ENOSPC;
-		goto out;
-	}
-
-	write_c0_index(temp_tlb_entry);
-	write_c0_pagemask(pagemask);
-	write_c0_entryhi(entryhi);
-	write_c0_entrylo0(entrylo0);
-	write_c0_entrylo1(entrylo1);
-	mtc0_tlbw_hazard();
-	tlb_write_indexed();
-	tlbw_use_hazard();
-
-	write_c0_entryhi(old_ctx);
-	write_c0_pagemask(old_pagemask);
-out:
-	EXIT_CRITICAL(flags);
-	return ret;
-}
-
 static int __cpuinitdata ntlb;
 static int __init set_ntlb(char *str)
 {
@@ -450,8 +414,6 @@ void __cpuinit tlb_init(void)
 		write_c0_pagegrain(pg);
 	}
 
-	temp_tlb_entry = current_cpu_data.tlbsize - 1;
-
         /* From this point on the ARC firmware is dead.  */
 	local_flush_tlb_all();