m68k: discontinuous memory support

[linux-2.6-omap-h63xx.git] / arch / m68k / mm / memory.c

diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c
index a0c095e17222df5c48c56279d7181d11b4e4e000..b7473525b43179fa9066d3a1d978120f1caac164 100644 (file)
--- a/arch/m68k/mm/memory.c
+++ b/arch/m68k/mm/memory.c
@@ -4,6 +4,7 @@
  *  Copyright (C) 1995  Hamish Macdonald
  */
 
+#include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
@@ -126,67 +127,6 @@ int free_pointer_table (pmd_t *ptable)
        return 0;
 }
 
-#ifdef DEBUG_INVALID_PTOV
-int mm_inv_cnt = 5;
-#endif
-
-#ifndef CONFIG_SINGLE_MEMORY_CHUNK
-/*
- * The following two routines map from a physical address to a kernel
- * virtual address and vice versa.
- */
-unsigned long mm_vtop(unsigned long vaddr)
-{
-       int i=0;
-       unsigned long voff = (unsigned long)vaddr - PAGE_OFFSET;
-
-       do {
-               if (voff < m68k_memory[i].size) {
-#ifdef DEBUGPV
-                       printk ("VTOP(%p)=%lx\n", vaddr,
-                               m68k_memory[i].addr + voff);
-#endif
-                       return m68k_memory[i].addr + voff;
-               }
-               voff -= m68k_memory[i].size;
-       } while (++i < m68k_num_memory);
-
-       /* As a special case allow `__pa(high_memory)'.  */
-       if (voff == 0)
-               return m68k_memory[i-1].addr + m68k_memory[i-1].size;
-
-       return -1;
-}
-#endif
-
-#ifndef CONFIG_SINGLE_MEMORY_CHUNK
-unsigned long mm_ptov (unsigned long paddr)
-{
-       int i = 0;
-       unsigned long poff, voff = PAGE_OFFSET;
-
-       do {
-               poff = paddr - m68k_memory[i].addr;
-               if (poff < m68k_memory[i].size) {
-#ifdef DEBUGPV
-                       printk ("PTOV(%lx)=%lx\n", paddr, poff + voff);
-#endif
-                       return poff + voff;
-               }
-               voff += m68k_memory[i].size;
-       } while (++i < m68k_num_memory);
-
-#ifdef DEBUG_INVALID_PTOV
-       if (mm_inv_cnt > 0) {
-               mm_inv_cnt--;
-               printk("Invalid use of phys_to_virt(0x%lx) at 0x%p!\n",
-                       paddr, __builtin_return_address(0));
-       }
-#endif
-       return -1;
-}
-#endif
-
 /* invalidate page in both caches */
 static inline void clear040(unsigned long paddr)
 {
@@ -298,6 +238,7 @@ void cache_clear (unsigned long paddr, int len)
        mach_l2_flush(0);
 #endif
 }
+EXPORT_SYMBOL(cache_clear);
 
 
 /*
@@ -350,15 +291,5 @@ void cache_push (unsigned long paddr, int len)
        mach_l2_flush(1);
 #endif
 }
+EXPORT_SYMBOL(cache_push);
 
-#ifndef CONFIG_SINGLE_MEMORY_CHUNK
-int mm_end_of_chunk (unsigned long addr, int len)
-{
-       int i;
-
-       for (i = 0; i < m68k_num_memory; i++)
-               if (m68k_memory[i].addr + m68k_memory[i].size == addr + len)
-                       return 1;
-       return 0;
-}
-#endif