Remove initrd code leftovers. Also fixes "Bad page state" on boot (kernel tried to free initramfs twice).

SVN-Revision: 6613

target/linux/ar7-2.6/config/default

@@ -7,6 +7,7 @@ CONFIG_AR7_WDT=y
 # CONFIG_ATMEL is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_BCM43XX is not set
+# CONFIG_BLK_DEV_INITRD is not set
 CONFIG_BOOT_ELF32=y
 CONFIG_CMDLINE="console=ttyS0,38400n8r root=/dev/mtdblock3 init=/etc/preinit"
 CONFIG_CPMAC=y

target/linux/ar7-2.6/files/arch/mips/ar7/memory.c

@@ -25,7 +25,6 @@
  */
 #include <linux/bootmem.h>
 #include <linux/init.h>
-#include <linux/initrd.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/pfn.h>
@@ -68,8 +67,6 @@ static int __init memsize(void)
 	return result;
 }
 
-extern unsigned long __initramfs_start, __initramfs_end;
-
 #ifdef CONFIG_NEED_MULTIPLE_NODES
 static bootmem_data_t node_bootmem_data;
 pg_data_t __node_data[1] = {
@@ -176,11 +173,6 @@ void __init prom_meminit(void)
 	unsigned long bootmap_size;
 #endif
 
-#ifdef CONFIG_BLK_DEV_INITRD
-	initrd_start = (unsigned long)&__initramfs_start;
-	initrd_end = (unsigned long)&__initramfs_end;
-#endif
-
 	pages = memsize() >> PAGE_SHIFT;
 	add_memory_region(ARCH_PFN_OFFSET << PAGE_SHIFT, pages <<
 			  PAGE_SHIFT, BOOT_MEM_RAM);