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