diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 8e4894b..3f7ea13 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -1090,7 +1090,8 @@
 
 void
 efi_initialize_iomem_resources(struct resource *code_resource,
-			       struct resource *data_resource)
+			       struct resource *data_resource,
+			       struct resource *bss_resource)
 {
 	struct resource *res;
 	void *efi_map_start, *efi_map_end, *p;
@@ -1171,6 +1172,7 @@
 			 */
 			insert_resource(res, code_resource);
 			insert_resource(res, data_resource);
+			insert_resource(res, bss_resource);
 #ifdef CONFIG_KEXEC
                         insert_resource(res, &efi_memmap_res);
                         insert_resource(res, &boot_param_res);
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index cbf67f1..ae6c3c0 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -90,7 +90,12 @@
 	.name	= "Kernel code",
 	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
 };
-extern char _text[], _end[], _etext[];
+
+static struct resource bss_resource = {
+	.name	= "Kernel bss",
+	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
+};
+extern char _text[], _end[], _etext[], _edata[], _bss[];
 
 unsigned long ia64_max_cacheline_size;
 
@@ -200,8 +205,11 @@
 	code_resource.start = ia64_tpa(_text);
 	code_resource.end   = ia64_tpa(_etext) - 1;
 	data_resource.start = ia64_tpa(_etext);
-	data_resource.end   = ia64_tpa(_end) - 1;
-	efi_initialize_iomem_resources(&code_resource, &data_resource);
+	data_resource.end   = ia64_tpa(_edata) - 1;
+	bss_resource.start  = ia64_tpa(_bss);
+	bss_resource.end    = ia64_tpa(_end) - 1;
+	efi_initialize_iomem_resources(&code_resource, &data_resource,
+			&bss_resource);
 
 	return 0;
 }
diff --git a/arch/x86/kernel/e820_32.c b/arch/x86/kernel/e820_32.c
index 58fd54e..18f500d 100644
--- a/arch/x86/kernel/e820_32.c
+++ b/arch/x86/kernel/e820_32.c
@@ -51,6 +51,13 @@
 	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
 };
 
+struct resource bss_resource = {
+	.name	= "Kernel bss",
+	.start	= 0,
+	.end	= 0,
+	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
 static struct resource system_rom_resource = {
 	.name	= "System ROM",
 	.start	= 0xf0000,
@@ -254,7 +261,9 @@
  * and also for regions reported as reserved by the e820.
  */
 static void __init
-legacy_init_iomem_resources(struct resource *code_resource, struct resource *data_resource)
+legacy_init_iomem_resources(struct resource *code_resource,
+			    struct resource *data_resource,
+			    struct resource *bss_resource)
 {
 	int i;
 
@@ -287,6 +296,7 @@
 			 */
 			request_resource(res, code_resource);
 			request_resource(res, data_resource);
+			request_resource(res, bss_resource);
 #ifdef CONFIG_KEXEC
 			if (crashk_res.start != crashk_res.end)
 				request_resource(res, &crashk_res);
@@ -307,9 +317,11 @@
 
 	printk("Setting up standard PCI resources\n");
 	if (efi_enabled)
-		efi_initialize_iomem_resources(&code_resource, &data_resource);
+		efi_initialize_iomem_resources(&code_resource,
+				&data_resource, &bss_resource);
 	else
-		legacy_init_iomem_resources(&code_resource, &data_resource);
+		legacy_init_iomem_resources(&code_resource,
+				&data_resource, &bss_resource);
 
 	/* EFI systems may still have VGA */
 	request_resource(&iomem_resource, &video_ram_resource);
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 1ca228b..04698e0 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -47,7 +47,7 @@
  */
 static unsigned long __initdata end_user_pfn = MAXMEM>>PAGE_SHIFT;
 
-extern struct resource code_resource, data_resource;
+extern struct resource code_resource, data_resource, bss_resource;
 
 /* Check for some hardcoded bad areas that early boot is not allowed to touch */ 
 static inline int bad_addr(unsigned long *addrp, unsigned long size)
@@ -225,6 +225,7 @@
 			 */
 			request_resource(res, &code_resource);
 			request_resource(res, &data_resource);
+			request_resource(res, &bss_resource);
 #ifdef CONFIG_KEXEC
 			if (crashk_res.start != crashk_res.end)
 				request_resource(res, &crashk_res);
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index b42558c..e2be78f 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -603,7 +603,8 @@
 
 void __init
 efi_initialize_iomem_resources(struct resource *code_resource,
-			       struct resource *data_resource)
+			       struct resource *data_resource,
+			       struct resource *bss_resource)
 {
 	struct resource *res;
 	efi_memory_desc_t *md;
@@ -675,6 +676,7 @@
 		if (md->type == EFI_CONVENTIONAL_MEMORY) {
 			request_resource(res, code_resource);
 			request_resource(res, data_resource);
+			request_resource(res, bss_resource);
 #ifdef CONFIG_KEXEC
 			request_resource(res, &crashk_res);
 #endif
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index ba2e165..cc0e914 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -60,6 +60,7 @@
 #include <asm/vmi.h>
 #include <setup_arch.h>
 #include <bios_ebda.h>
+#include <asm/cacheflush.h>
 
 /* This value is set up by the early boot code to point to the value
    immediately after the boot time page tables.  It contains a *physical*
@@ -73,6 +74,7 @@
  */
 extern struct resource code_resource;
 extern struct resource data_resource;
+extern struct resource bss_resource;
 
 /* cpu data as detected by the assembly code in head.S */
 struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
@@ -600,6 +602,8 @@
 	code_resource.end = virt_to_phys(_etext)-1;
 	data_resource.start = virt_to_phys(_etext);
 	data_resource.end = virt_to_phys(_edata)-1;
+	bss_resource.start = virt_to_phys(&__bss_start);
+	bss_resource.end = virt_to_phys(&__bss_stop)-1;
 
 	parse_early_param();
 
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 31322d4..e7a9e36 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -58,6 +58,7 @@
 #include <asm/numa.h>
 #include <asm/sections.h>
 #include <asm/dmi.h>
+#include <asm/cacheflush.h>
 
 /*
  * Machine setup..
@@ -133,6 +134,12 @@
 	.end = 0,
 	.flags = IORESOURCE_RAM,
 };
+struct resource bss_resource = {
+	.name = "Kernel bss",
+	.start = 0,
+	.end = 0,
+	.flags = IORESOURCE_RAM,
+};
 
 #ifdef CONFIG_PROC_VMCORE
 /* elfcorehdr= specifies the location of elf core header
@@ -276,6 +283,8 @@
 	code_resource.end = virt_to_phys(&_etext)-1;
 	data_resource.start = virt_to_phys(&_etext);
 	data_resource.end = virt_to_phys(&_edata)-1;
+	bss_resource.start = virt_to_phys(&__bss_start);
+	bss_resource.end = virt_to_phys(&__bss_stop)-1;
 
 	early_identify_cpu(&boot_cpu_data);