[ARM] Move definition of the kernel module space to asm-arm

Since all machine classes define module space the same way, we
move this into the common ARM code.

include/asm-arm/arch-adifcc/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (0xe8000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-cl7500/vmalloc.h

@@ -13,7 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x1c000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)
-

include/asm-arm/arch-clps711x/vmalloc.h

@@ -29,6 +29,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-ebsa110/vmalloc.h

@@ -19,6 +19,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x1f000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-ebsa285/vmalloc.h

@@ -24,6 +24,3 @@
 #else
 #define VMALLOC_END       (PAGE_OFFSET + 0x20000000)
 #endif
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-epxa10db/vmalloc.h

@@ -29,6 +29,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-integrator/vmalloc.h

@@ -29,6 +29,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-iop3xx/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (0xe8000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-l7200/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-nexuspci/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x20000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-omap/vmalloc.h

@@ -30,6 +30,3 @@
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_VMADDR(x) ((unsigned long)(x))
 #define VMALLOC_END	  (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-pxa/vmalloc.h

@@ -20,6 +20,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (0xe8000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-rpc/vmalloc.h

@@ -19,6 +19,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x1c000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-s3c2410/vmalloc.h

@@ -33,8 +33,4 @@
 #define VMALLOC_VMADDR(x) ((unsigned long)(x))
 #define VMALLOC_END	  (0xE0000000)
 
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)
-
-
 #endif /* __ASM_ARCH_VMALLOC_H */

include/asm-arm/arch-sa1100/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (0xe8000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-shark/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/arch-tbox/vmalloc.h

@@ -13,6 +13,3 @@
 #define VMALLOC_OFFSET	  (8*1024*1024)
 #define VMALLOC_START	  (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define VMALLOC_END       (PAGE_OFFSET + 0x10000000)
-
-#define MODULE_START	(PAGE_OFFSET - 16*1048576)
-#define MODULE_END	(PAGE_OFFSET)

include/asm-arm/memory.h

@@ -15,6 +15,17 @@
 #include <linux/config.h>
 #include <asm/arch/memory.h>
 
+/*
+ * 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)
+
+#if TASK_SIZE > MODULE_START
+#error Top of user space clashes with start of module space
+#endif
+
 #ifndef __ASSEMBLY__
 
 /*