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From db94c8c3ec831b5fab828487ba05041bc048fccf Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
Date: Tue, 15 Jul 2008 17:48:11 -0600
Subject: [PATCH] Move VMALLOC region to a valid area.
LTIBName: mcfv4e-vmalloc-fix
Signed-off-by: Kurt Mahan <kmahan@freescale.com>
---
arch/m68k/mm/cf-mmu.c | 7 +------
include/asm-m68k/pgtable.h | 6 +++++-
2 files changed, 6 insertions(+), 7 deletions(-)
--- a/arch/m68k/mm/cf-mmu.c
+++ b/arch/m68k/mm/cf-mmu.c
@@ -35,7 +35,7 @@
#include <asm/coldfire.h>
#include <asm/tlbflush.h>
-#define KMAPAREA(x) ((x >= KMAP_START) && ( x < KMAP_END))
+#define KMAPAREA(x) ((x >= VMALLOC_START) && ( x < KMAP_END))
#undef DEBUG
@@ -62,11 +62,6 @@ void free_initmem(void)
unsigned long start = (unsigned long)&__init_begin;
unsigned long end = (unsigned long)&__init_end;
-/*
- * JKM -- revisit -- the latest round of vmlinux.lds changes has caused
- * a little grief with how init areas are handled. With the new toolchain
- * release I'll fix this.
- */
printk(KERN_INFO "free_initmem: __init_begin = 0x%lx __init_end = 0x%lx\n", start, end);
addr = (unsigned long)&__init_begin;
--- a/include/asm-m68k/pgtable.h
+++ b/include/asm-m68k/pgtable.h
@@ -73,7 +73,9 @@
#define KMAP_START 0x0DC00000
#define KMAP_END 0x0E000000
#elif defined(CONFIG_COLDFIRE)
-#define KMAP_START 0xd0000000
+#define VMALLOC_START 0xc0000000
+#define VMALLOC_END 0xcfffffff
+#define KMAP_START (VMALLOC_END + 1)
#define KMAP_END 0xe0000000
#else
#define KMAP_START 0xd0000000
@@ -88,9 +90,11 @@
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
+#if !defined(CONFIG_COLDFIRE)
#define VMALLOC_OFFSET (8*1024*1024)
#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
#define VMALLOC_END KMAP_START
+#endif
#else
extern unsigned long vmalloc_end;
#define VMALLOC_START 0x0f800000
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