linux/arch/m68knommu/mm/memory.c
Greg Ungerer 17d8725d36 m68knommu: remove old cache management cruft from mm code
Remove cache management cruft.  This code is dead, all the cache manangement
functions for the ColdFire exist in the header file
include/asm-m68knommu/cacheflush.h.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16 09:05:37 -07:00

55 lines
1.2 KiB
C

/*
* linux/arch/m68knommu/mm/memory.c
*
* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
*
* Based on:
*
* linux/arch/m68k/mm/memory.c
*
* Copyright (C) 1995 Hamish Macdonald
*/
#include <linux/mm.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
/*
* Map some physical address range into the kernel address space.
* The code is copied and adapted from map_chunk().
*/
unsigned long kernel_map(unsigned long paddr, unsigned long size,
int nocacheflag, unsigned long *memavailp )
{
return paddr;
}
int is_in_rom(unsigned long addr)
{
extern unsigned long _ramstart, _ramend;
/*
* What we are really trying to do is determine if addr is
* in an allocated kernel memory region. If not then assume
* we cannot free it or otherwise de-allocate it. Ideally
* we could restrict this to really being in a ROM or flash,
* but that would need to be done on a board by board basis,
* not globally.
*/
if ((addr < _ramstart) || (addr >= _ramend))
return(1);
/* Default case, not in ROM */
return(0);
}