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authorGreg Ungerer <gerg@uclinux.org>2010-11-04 16:00:44 +1000
committerGreg Ungerer <gerg@uclinux.org>2011-01-05 15:19:18 +1000
commitbb4edc5e4478db21147f86b6682704bfc1125c55 (patch)
tree834192a7383eb7de966b2504208cc61ca6490fc9
parent1c83af5f9d7e15a091f11394ad5916a7dcf1a99e (diff)
downloadlinux-bb4edc5e4478db21147f86b6682704bfc1125c55.tar.bz2
m68knommu: remove do_page_fault(), it is not used
The non-MMU m68k does not use the do_page_fault() code, so remove it. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
-rw-r--r--arch/m68knommu/mm/Makefile2
-rw-r--r--arch/m68knommu/mm/fault.c57
2 files changed, 1 insertions, 58 deletions
diff --git a/arch/m68knommu/mm/Makefile b/arch/m68knommu/mm/Makefile
index fc91f254f51b..7b3e4002373b 100644
--- a/arch/m68knommu/mm/Makefile
+++ b/arch/m68knommu/mm/Makefile
@@ -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
diff --git a/arch/m68knommu/mm/fault.c b/arch/m68knommu/mm/fault.c
deleted file mode 100644
index bc05cf74d9c0..000000000000
--- a/arch/m68knommu/mm/fault.c
+++ /dev/null
@@ -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;
-}
-