[POWERPC] 85xx: Add support for relocatable kernel (and booting at non-zero)

[safe/jmp/linux-2.6] / include / asm-powerpc / page_32.h

diff --git a/include/asm-powerpc/page_32.h b/include/asm-powerpc/page_32.h
index 65ea19e..ebfae53 100644 (file)
--- a/include/asm-powerpc/page_32.h
+++ b/include/asm-powerpc/page_32.h
@@ -1,9 +1,13 @@
 #ifndef _ASM_POWERPC_PAGE_32_H
 #define _ASM_POWERPC_PAGE_32_H
 
-#define VM_DATA_DEFAULT_FLAGS  VM_DATA_DEFAULT_FLAGS32
+#if defined(CONFIG_PHYSICAL_ALIGN) && (CONFIG_PHYSICAL_START != 0)
+#if (CONFIG_PHYSICAL_START % CONFIG_PHYSICAL_ALIGN) != 0
+#error "CONFIG_PHYSICAL_START must be a multiple of CONFIG_PHYSICAL_ALIGN"
+#endif
+#endif
 
-#define PPC_MEMSTART   0
+#define VM_DATA_DEFAULT_FLAGS  VM_DATA_DEFAULT_FLAGS32
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
 #define ARCH_KMALLOC_MINALIGN  L1_CACHE_BYTES