[PATCH] m68k unused cruft removal

M68k: Remove obsolete cruft

arch/m68k/kernel/sun3-head.S

@@ -16,9 +16,6 @@ SUN3_INVALID_PMEG = 255
 .globl bootup_user_stack
 .globl bootup_kernel_stack
 .globl pg0
-.globl empty_bad_page
-.globl empty_bad_page_table
-.globl empty_zero_page
 .globl swapper_pg_dir
 .globl kernel_pmd_table
 .globl availmem
@@ -27,10 +24,7 @@ SUN3_INVALID_PMEG = 255
 | todo: all these should be in bss!
 swapper_pg_dir:                .skip 0x2000
 pg0:                           .skip 0x2000
-empty_bad_page:                .skip 0x2000
-empty_bad_page_table:          .skip 0x2000
 kernel_pmd_table:              .skip 0x2000
-empty_zero_page:               .skip 0x2000
 
 .globl kernel_pg_dir
 .equ    kernel_pg_dir,kernel_pmd_table

arch/m68k/mm/motorola.c

@@ -196,9 +196,6 @@ map_chunk (unsigned long addr, long size)
 	return virtaddr;
 }
 
-extern unsigned long empty_bad_page_table;
-extern unsigned long empty_bad_page;
-
 /*
  * paging_init() continues the virtual memory environment setup which
  * was begun by the code in arch/head.S.

arch/m68k/mm/sun3mmu.c

@@ -33,8 +33,6 @@ extern void mmu_emu_init (unsigned long bootmem_end);
 
 const char bad_pmd_string[] = "Bad pmd in pte_alloc: %08lx\n";
 
-extern unsigned long empty_bad_page_table;
-extern unsigned long empty_bad_page;
 extern unsigned long num_pages;
 
 void free_initmem(void)

include/asm-m68k/sun3_pgalloc.h

@@ -95,14 +95,4 @@ static inline pgd_t * pgd_alloc(struct mm_struct *mm)
 
 #define pgd_populate(mm, pmd, pte) BUG()
 
-
-/* Reserved PMEGs. */
-extern char sun3_reserved_pmeg[SUN3_PMEGS_NUM];
-extern unsigned long pmeg_vaddr[SUN3_PMEGS_NUM];
-extern unsigned char pmeg_alloc[SUN3_PMEGS_NUM];
-extern unsigned char pmeg_ctx[SUN3_PMEGS_NUM];
-
-
-#define check_pgt_cache()	do { } while (0)
-
 #endif /* SUN3_PGALLOC_H */