X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Fmemory.h;h=77764301844b52946996f4a3287185c0fc349e05;hb=ab4f2ee130d5ffcf35616e1f5c6ab75af5b463b6;hp=bf7c737c92267c7de8b38c0b6347816a0bdb3328;hpb=81faaae45701484bd7368336e02f2a846153b22f;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index bf7c737c922..77764301844 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -13,51 +13,41 @@
 #ifndef __ASM_ARM_MEMORY_H
 #define __ASM_ARM_MEMORY_H
 
+#include <linux/compiler.h>
+#include <linux/const.h>
+#include <mach/memory.h>
+#include <asm/sizes.h>
+
 /*
  * Allow for constants defined here to be used from assembly code
  * by prepending the UL suffix only with actual C code compilation.
  */
-#ifndef __ASSEMBLY__
-#define UL(x) (x##UL)
-#else
-#define UL(x) (x)
-#endif
-
-#include <linux/compiler.h>
-#include <mach/memory.h>
-#include <asm/sizes.h>
+#define UL(x) _AC(x, UL)
 
 #ifdef CONFIG_MMU
 
-#ifndef TASK_SIZE
 /*
+ * PAGE_OFFSET - the virtual address of the start of the kernel image
  * TASK_SIZE - the maximum size of a user space task.
  * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
  */
-#define TASK_SIZE		UL(0xbf000000)
-#define TASK_UNMAPPED_BASE	UL(0x40000000)
-#endif
+#define PAGE_OFFSET		UL(CONFIG_PAGE_OFFSET)
+#define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(0x01000000))
+#define TASK_UNMAPPED_BASE	(UL(CONFIG_PAGE_OFFSET) / 3)
 
 /*
  * The maximum size of a 26-bit user space task.
  */
 #define TASK_SIZE_26		UL(0x04000000)
 
-/*
- * Page offset: 3GB
- */
-#ifndef PAGE_OFFSET
-#define PAGE_OFFSET		UL(0xc0000000)
-#endif
-
 /*
  * The module space lives between the addresses given by TASK_SIZE
  * and PAGE_OFFSET - it must be within 32MB of the kernel text.
  */
-#define MODULE_END		(PAGE_OFFSET)
-#define MODULE_START		(MODULE_END - 16*1048576)
+#define MODULES_END		(PAGE_OFFSET)
+#define MODULES_VADDR		(MODULES_END - 16*1048576)
 
-#if TASK_SIZE > MODULE_START
+#if TASK_SIZE > MODULES_VADDR
 #error Top of user space clashes with start of module space
 #endif
 
@@ -66,7 +56,7 @@
  * Since we use sections to map it, this macro replaces the physical address
  * with its virtual address while keeping offset from the base section.
  */
-#define XIP_VIRT_ADDR(physaddr)  (MODULE_START + ((physaddr) & 0x000fffff))
+#define XIP_VIRT_ADDR(physaddr)  (MODULES_VADDR + ((physaddr) & 0x000fffff))
 
 /*
  * Allow 16MB-aligned ioremap pages
@@ -104,8 +94,8 @@
 /*
  * The module can be at any place in ram in nommu mode.
  */
-#define MODULE_END		(END_MEM)
-#define MODULE_START		(PHYS_OFFSET)
+#define MODULES_END		(END_MEM)
+#define MODULES_VADDR		(PHYS_OFFSET)
 
 #endif /* !CONFIG_MMU */
 
@@ -147,16 +137,10 @@
 
 #ifndef arch_adjust_zones
 #define arch_adjust_zones(node,size,holes) do { } while (0)
+#elif !defined(CONFIG_ZONE_DMA)
+#error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA"
 #endif
 
-/*
- * Amount of memory reserved for the vmalloc() area, and minimum
- * address for vmalloc mappings.
- */
-extern unsigned long vmalloc_reserve;
-
-#define VMALLOC_MIN		(void *)(VMALLOC_END - vmalloc_reserve)
-
 /*
  * PFNs are used to describe any physical page; this means
  * PFN 0 == physical address 0.