Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

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

diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c
index 1453a60..d6d582a 100644 (file)
--- a/arch/m68k/mm/memory.c
+++ b/arch/m68k/mm/memory.c
@@ -54,7 +54,7 @@ void __init init_pointer_table(unsigned long ptable)
 
        /* unreserve the page so it's possible to free that page */
        PD_PAGE(dp)->flags &= ~(1 << PG_reserved);
-       set_page_count(PD_PAGE(dp), 1);
+       init_page_count(PD_PAGE(dp));
 
        return;
 }
@@ -354,110 +354,6 @@ void cache_push (unsigned long paddr, int len)
 #endif
 }
 
-static unsigned long virt_to_phys_slow(unsigned long vaddr)
-{
-       if (CPU_IS_060) {
-               mm_segment_t fs = get_fs();
-               unsigned long paddr;
-
-               set_fs(get_ds());
-
-               /* The PLPAR instruction causes an access error if the translation
-                * is not possible. To catch this we use the same exception mechanism
-                * as for user space accesses in <asm/uaccess.h>. */
-               asm volatile (".chip 68060\n"
-                             "1: plpar (%0)\n"
-                             ".chip 68k\n"
-                             "2:\n"
-                             ".section .fixup,\"ax\"\n"
-                             "   .even\n"
-                             "3: sub.l %0,%0\n"
-                             "   jra 2b\n"
-                             ".previous\n"
-                             ".section __ex_table,\"a\"\n"
-                             "   .align 4\n"
-                             "   .long 1b,3b\n"
-                             ".previous"
-                             : "=a" (paddr)
-                             : "0" (vaddr));
-               set_fs(fs);
-               return paddr;
-       } else if (CPU_IS_040) {
-               mm_segment_t fs = get_fs();
-               unsigned long mmusr;
-
-               set_fs(get_ds());
-
-               asm volatile (".chip 68040\n\t"
-                             "ptestr (%1)\n\t"
-                             "movec %%mmusr, %0\n\t"
-                             ".chip 68k"
-                             : "=r" (mmusr)
-                             : "a" (vaddr));
-               set_fs(fs);
-
-               if (mmusr & MMU_R_040)
-                       return (mmusr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
-       } else {
-               unsigned short mmusr;
-               unsigned long *descaddr;
-
-               asm volatile ("ptestr #5,%2@,#7,%0\n\t"
-                             "pmove %%psr,%1@"
-                             : "=a&" (descaddr)
-                             : "a" (&mmusr), "a" (vaddr));
-               if (mmusr & (MMU_I|MMU_B|MMU_L))
-                       return 0;
-               descaddr = phys_to_virt((unsigned long)descaddr);
-               switch (mmusr & MMU_NUM) {
-               case 1:
-                       return (*descaddr & 0xfe000000) | (vaddr & 0x01ffffff);
-               case 2:
-                       return (*descaddr & 0xfffc0000) | (vaddr & 0x0003ffff);
-               case 3:
-                       return (*descaddr & PAGE_MASK) | (vaddr & ~PAGE_MASK);
-               }
-       }
-       return 0;
-}
-
-/* Push n pages at kernel virtual address and clear the icache */
-/* RZ: use cpush %bc instead of cpush %dc, cinv %ic */
-void flush_icache_range(unsigned long address, unsigned long endaddr)
-{
-       if (CPU_IS_040_OR_060) {
-               address &= PAGE_MASK;
-
-               if (address >= PAGE_OFFSET && address < (unsigned long)high_memory) {
-                       do {
-                               asm volatile ("nop\n\t"
-                                             ".chip 68040\n\t"
-                                             "cpushp %%bc,(%0)\n\t"
-                                             ".chip 68k"
-                                             : : "a" (virt_to_phys((void *)address)));
-                               address += PAGE_SIZE;
-                       } while (address < endaddr);
-               } else {
-                       do {
-                               asm volatile ("nop\n\t"
-                                             ".chip 68040\n\t"
-                                             "cpushp %%bc,(%0)\n\t"
-                                             ".chip 68k"
-                                             : : "a" (virt_to_phys_slow(address)));
-                               address += PAGE_SIZE;
-                       } while (address < endaddr);
-               }
-       } else {
-               unsigned long tmp;
-               asm volatile ("movec %%cacr,%0\n\t"
-                             "orw %1,%0\n\t"
-                             "movec %0,%%cacr"
-                             : "=&d" (tmp)
-                             : "di" (FLUSH_I));
-       }
-}
-
-
 #ifndef CONFIG_SINGLE_MEMORY_CHUNK
 int mm_end_of_chunk (unsigned long addr, int len)
 {