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m68knommu: remove do_page_fault(), it is not used

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The non-MMU m68k does not use the do_page_fault() code, so remove it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2010-11-04 16:00:44 +10:00
parent 1c83af5f9d
commit bb4edc5e44
2 changed files with 1 additions and 58 deletions
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2
arch/m68knommu/mm/Makefile
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@ -2,4 +2,4 @@
# Makefile for the linux m68knommu specific parts of the memory manager.
#
obj-y += init.o fault.o memory.o kmap.o
obj-y += init.o memory.o kmap.o

57
arch/m68knommu/mm/fault.c
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@ -1,57 +0,0 @@
/*
* linux/arch/m68knommu/mm/fault.c
*
* Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>,
* Copyright (C) 2000 Lineo, Inc. (www.lineo.com)
*
* Based on:
*
* linux/arch/m68k/mm/fault.c
*
* Copyright (C) 1995 Hamish Macdonald
*/
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <asm/system.h>
#include <asm/pgtable.h>
extern void die_if_kernel(char *, struct pt_regs *, long);
/*
* This routine handles page faults. It determines the problem, and
* then passes it off to one of the appropriate routines.
*
* error_code:
* bit 0 == 0 means no page found, 1 means protection fault
* bit 1 == 0 means read, 1 means write
*
* If this routine detects a bad access, it returns 1, otherwise it
* returns 0.
*/
asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
unsigned long error_code)
{
#ifdef DEBUG
printk(KERN_DEBUG "regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n",
regs->sr, regs->pc, address, error_code);
#endif
/*
* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice.
*/
if ((unsigned long) address < PAGE_SIZE)
printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
else
printk(KERN_ALERT "Unable to handle kernel access");
printk(KERN_ALERT " at virtual address %08lx\n", address);
die_if_kernel("Oops", regs, error_code);
do_exit(SIGKILL);
return 1;
}