23 files changed, 91 insertions, 100 deletions

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 76ec0f8f138..4eb5ce84110 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -6,7 +6,15 @@ extra-y                := head_$(BITS).o init_task.o vmlinux.lds
 extra-$(CONFIG_X86_64) += head64.o
 
 CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
-CFLAGS_vsyscall_64.o := $(PROFILING) -g0
+
+#
+# vsyscalls (which work on the user stack) should have
+# no stack-protector checks:
+#
+nostackp := $(call cc-option, -fno-stack-protector)
+CFLAGS_vsyscall_64.o	:= $(PROFILING) -g0 $(nostackp)
+CFLAGS_hpet.o		:= $(nostackp)
+CFLAGS_tsc_64.o		:= $(nostackp)
 
 obj-y			:= process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
 obj-y			+= traps_$(BITS).o irq_$(BITS).o
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 680b7300a48..2cdc9de9371 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -72,7 +72,8 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return
 #define PREFIX			"ACPI: "
 
 int acpi_noirq;				/* skip ACPI IRQ initialization */
-int acpi_pci_disabled __initdata;	/* skip ACPI PCI scan and IRQ initialization */
+int acpi_pci_disabled;		/* skip ACPI PCI scan and IRQ initialization */
+EXPORT_SYMBOL(acpi_pci_disabled);
 int acpi_ht __initdata = 1;	/* enable HT */
 
 int acpi_lapic;
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index afd84463b71..a33d5301799 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -20,10 +20,8 @@
 
 #include <xen/interface/xen.h>
 
-#ifdef CONFIG_LGUEST_GUEST
 #include <linux/lguest.h>
 #include "../../../drivers/lguest/lg.h"
-#endif
 
 #define DEFINE(sym, val) \
         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -134,6 +132,10 @@ void foo(void)
 	BLANK();
 	OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
 	OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir);
+#endif
+
+#ifdef CONFIG_LGUEST
+	BLANK();
 	OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
 	OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
 	OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 9b95edcfc6a..027e5c003b1 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -25,14 +25,6 @@ static int __init no_halt(char *s)
 
 __setup("no-hlt", no_halt);
 
-static int __init mca_pentium(char *s)
-{
-	mca_pentium_flag = 1;
-	return 1;
-}
-
-__setup("mca-pentium", mca_pentium);
-
 static int __init no_387(char *s)
 {
 	boot_cpu_data.hard_math = 0;
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 0c0eeb163d9..759e02bec07 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -54,7 +54,7 @@ EXPORT_SYMBOL(efi);
 
 struct efi_memory_map memmap;
 
-struct efi efi_phys __initdata;
+static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 
 static int __init setup_noefi(char *arg)
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index cb91f985b4a..5d23d85624d 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -28,6 +28,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
+#include <asm/efi.h>
 
 /*
  * To make EFI call EFI runtime service in physical addressing mode we need
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 824e21b80aa..4b87c32b639 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -409,7 +409,7 @@ restore_nocheck_notrace:
 	RESTORE_REGS
 	addl $4, %esp			# skip orig_eax/error_code
 	CFI_ADJUST_CFA_OFFSET -4
-ENTRY(irq_return)
+irq_return:
 	INTERRUPT_RETURN
 .section .fixup,"ax"
 iret_exc:
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 6be39a387c5..2ad9a1bc6a7 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -583,7 +583,7 @@ retint_restore_args:	/* return to kernel space */
 restore_args:
 	RESTORE_ARGS 0,8,0
 
-ENTRY(irq_return)
+irq_return:
 	INTERRUPT_RETURN
 
 	.section __ex_table, "a"
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 24dbf56928d..ad2440832de 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -88,6 +88,9 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	/* Make NULL pointers segfault */
 	zap_identity_mappings();
 
+	/* Cleanup the over mapped high alias */
+	cleanup_highmap();
+
 	for (i = 0; i < IDT_ENTRIES; i++) {
 #ifdef CONFIG_EARLY_PRINTK
 		set_intr_gate(i, &early_idt_handlers[i]);
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 74ef4a41f22..25eb98540a4 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -612,7 +612,7 @@ ENTRY(swapper_pg_pmd)
 ENTRY(swapper_pg_dir)
 	.fill 1024,4,0
 #endif
-ENTRY(swapper_pg_fixmap)
+swapper_pg_fixmap:
 	.fill 1024,4,0
 ENTRY(empty_zero_page)
 	.fill 4096,1,0
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 09b38d539b0..eb415043a92 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -107,8 +107,13 @@ startup_64:
 	movq	%rdx, 0(%rbx, %rax, 8)
 ident_complete:
 
-	/* Fixup the kernel text+data virtual addresses
+	/*
+	 * Fixup the kernel text+data virtual addresses. Note that
+	 * we might write invalid pmds, when the kernel is relocated
+	 * cleanup_highmap() fixes this up along with the mappings
+	 * beyond _end.
 	 */
+
 	leaq	level2_kernel_pgt(%rip), %rdi
 	leaq	4096(%rdi), %r8
 	/* See if it is a valid page table entry */
@@ -250,7 +255,7 @@ ENTRY(secondary_startup_64)
 	lretq
 
 	/* SMP bootup changes these two */
-	__CPUINITDATA
+	__REFDATA
 	.align	8
 	ENTRY(initial_code)
 	.quad	x86_64_start_kernel
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 26719bd2c77..763dfc40723 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -39,7 +39,7 @@
 #define HAVE_HWFP 1
 #endif
 
-unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
+static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
 
 void mxcsr_feature_mask_init(void)
 {
diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259_32.c
index 2d25b77102f..fe631967d62 100644
--- a/arch/x86/kernel/i8259_32.c
+++ b/arch/x86/kernel/i8259_32.c
@@ -26,8 +26,6 @@
  * present in the majority of PC/AT boxes.
  * plus some generic x86 specific things if generic specifics makes
  * any sense at all.
- * this file should become arch/i386/kernel/irq.c when the old irq.c
- * moves to arch independent land
  */
 
 static int i8259A_auto_eoi;
@@ -362,23 +360,12 @@ void __init init_ISA_irqs (void)
 #endif
 	init_8259A(0);
 
-	for (i = 0; i < NR_IRQS; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = NULL;
-		irq_desc[i].depth = 1;
-
-		if (i < 16) {
-			/*
-			 * 16 old-style INTA-cycle interrupts:
-			 */
-			set_irq_chip_and_handler_name(i, &i8259A_chip,
-						      handle_level_irq, "XT");
-		} else {
-			/*
-			 * 'high' PCI IRQs filled in on demand
-			 */
-			irq_desc[i].chip = &no_irq_chip;
-		}
+	/*
+	 * 16 old-style INTA-cycle interrupts:
+	 */
+	for (i = 0; i < 16; i++) {
+		set_irq_chip_and_handler_name(i, &i8259A_chip,
+					      handle_level_irq, "XT");
 	}
 }
 
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index bd49321034d..c706a306155 100644
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -13,7 +13,6 @@
 #include <asm/io.h>
 
 int io_delay_type __read_mostly = CONFIG_DEFAULT_IO_DELAY_TYPE;
-EXPORT_SYMBOL_GPL(io_delay_type);
 
 static int __initdata io_delay_override;
 
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index a99e764fd66..34a591283f5 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -581,7 +581,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
  * When a retprobed function returns, this code saves registers and
  * calls trampoline_handler() runs, which calls the kretprobe's handler.
  */
-void __kprobes kretprobe_trampoline_holder(void)
+static void __used __kprobes kretprobe_trampoline_holder(void)
 {
 	asm volatile (
 			".global kretprobe_trampoline\n"
@@ -673,7 +673,7 @@ void __kprobes kretprobe_trampoline_holder(void)
 /*
  * Called from kretprobe_trampoline
  */
-void * __kprobes trampoline_handler(struct pt_regs *regs)
+static __used __kprobes void *trampoline_handler(struct pt_regs *regs)
 {
 	struct kretprobe_instance *ri = NULL;
 	struct hlist_head *head, empty_rp;
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
index edd413650b3..6a0aa703868 100644
--- a/arch/x86/kernel/nmi_32.c
+++ b/arch/x86/kernel/nmi_32.c
@@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
 
 static DEFINE_PER_CPU(short, wd_enabled);
 
-/* local prototypes */
-static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
-
 static int endflag __initdata = 0;
 
 #ifdef CONFIG_SMP
@@ -391,15 +388,6 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
 	return rc;
 }
 
-int do_nmi_callback(struct pt_regs * regs, int cpu)
-{
-#ifdef CONFIG_SYSCTL
-	if (unknown_nmi_panic)
-		return unknown_nmi_panic_callback(regs, cpu);
-#endif
-	return 0;
-}
-
 #ifdef CONFIG_SYSCTL
 
 static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
@@ -453,6 +441,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
 
 #endif
 
+int do_nmi_callback(struct pt_regs *regs, int cpu)
+{
+#ifdef CONFIG_SYSCTL
+	if (unknown_nmi_panic)
+		return unknown_nmi_panic_callback(regs, cpu);
+#endif
+	return 0;
+}
+
 void __trigger_all_cpu_backtrace(void)
 {
 	int i;
diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
index fb99484d21c..9a4fde74bee 100644
--- a/arch/x86/kernel/nmi_64.c
+++ b/arch/x86/kernel/nmi_64.c
@@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
 
 static DEFINE_PER_CPU(short, wd_enabled);
 
-/* local prototypes */
-static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
-
 /* Run after command line and cpu_init init, but before all other checks */
 void nmi_watchdog_default(void)
 {
@@ -394,15 +391,6 @@ asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code)
 	nmi_exit();
 }
 
-int do_nmi_callback(struct pt_regs * regs, int cpu)
-{
-#ifdef CONFIG_SYSCTL
-	if (unknown_nmi_panic)
-		return unknown_nmi_panic_callback(regs, cpu);
-#endif
-	return 0;
-}
-
 void stop_nmi(void)
 {
 	acpi_nmi_disable();
@@ -464,6 +452,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
 
 #endif
 
+int do_nmi_callback(struct pt_regs *regs, int cpu)
+{
+#ifdef CONFIG_SYSCTL
+	if (unknown_nmi_panic)
+		return unknown_nmi_panic_callback(regs, cpu);
+#endif
+	return 0;
+}
+
 void __trigger_all_cpu_backtrace(void)
 {
 	int i;
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 702c33efea8..d862e396b09 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1160,7 +1160,7 @@ static int genregs32_set(struct task_struct *target,
 	if (kbuf) {
 		const compat_ulong_t *k = kbuf;
 		while (count > 0 && !ret) {
-			ret = putreg(target, pos, *k++);
+			ret = putreg32(target, pos, *k++);
 			count -= sizeof(*k);
 			pos += sizeof(*k);
 		}
@@ -1171,7 +1171,7 @@ static int genregs32_set(struct task_struct *target,
 			ret = __get_user(word, u++);
 			if (ret)
 				break;
-			ret = putreg(target, pos, word);
+			ret = putreg32(target, pos, word);
 			count -= sizeof(*u);
 			pos += sizeof(*u);
 		}
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 691ab4cb167..a1d7071a51c 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -164,7 +164,6 @@ unsigned long mmu_cr4_features = X86_CR4_PAE;
 unsigned int machine_id;
 unsigned int machine_submodel_id;
 unsigned int BIOS_revision;
-unsigned int mca_pentium_flag;
 
 /* Boot loader ID as an integer, for the benefit of proc_dointvec */
 int bootloader_type;
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index c0d8208af12..6fd804f0782 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -518,7 +518,7 @@ static void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
 }
 
 #ifdef CONFIG_NUMA
-static int nearby_node(int apicid)
+static int __cpuinit nearby_node(int apicid)
 {
 	int i, node;
 
@@ -791,7 +791,7 @@ static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
 		return 1;
 }
 
-static void srat_detect_node(void)
+static void __cpuinit srat_detect_node(void)
 {
 #ifdef CONFIG_NUMA
 	unsigned node;
@@ -1046,7 +1046,7 @@ __setup("noclflush", setup_noclflush);
 void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
 {
 	if (c->x86_model_id[0])
-		printk(KERN_INFO "%s", c->x86_model_id);
+		printk(KERN_CONT "%s", c->x86_model_id);
 
 	if (c->x86_mask || c->cpuid_level >= 0)
 		printk(KERN_CONT " stepping %02x\n", c->x86_mask);
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index a40051b71d9..0fcc95a354f 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -34,7 +34,7 @@
 static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
 
 #ifdef CONFIG_HOTPLUG_CPU
-int arch_register_cpu(int num)
+int __ref arch_register_cpu(int num)
 {
 	/*
 	 * CPU0 cannot be offlined due to several
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index f1148ac8abe..2ffa9656fe7 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -38,7 +38,7 @@ SECTIONS
 
   /* read-only */
   .text : AT(ADDR(.text) - LOAD_OFFSET) {
-	. = ALIGN(4096); /* not really needed, already page aligned */
+	. = ALIGN(PAGE_SIZE); /* not really needed, already page aligned */
 	*(.text.page_aligned)
 	TEXT_TEXT
 	SCHED_TEXT
@@ -70,21 +70,21 @@ SECTIONS
   RODATA
 
   /* writeable */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data : AT(ADDR(.data) - LOAD_OFFSET) {	/* Data */
 	DATA_DATA
 	CONSTRUCTORS
 	} :data
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
   	__nosave_begin = .;
 	*(.data.nosave)
-  	. = ALIGN(4096);
+  	. = ALIGN(PAGE_SIZE);
   	__nosave_end = .;
   }
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
 	*(.data.page_aligned)
 	*(.data.idt)
@@ -108,7 +108,7 @@ SECTIONS
   }
 
   /* might get freed after init */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
   	__smp_locks = .;
 	*(.smp_locks)
@@ -120,10 +120,10 @@ SECTIONS
    * after boot. Always make sure that ALIGN() directive is present after
    * the section which contains __smp_alt_end.
    */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
 
   /* will be freed after init */
-  . = ALIGN(4096);		/* Init code and data */
+  . = ALIGN(PAGE_SIZE);		/* Init code and data */
   .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
   	__init_begin = .;
 	_sinittext = .;
@@ -174,23 +174,23 @@ SECTIONS
 	EXIT_DATA
   }
 #if defined(CONFIG_BLK_DEV_INITRD)
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
 	__initramfs_start = .;
 	*(.init.ramfs)
 	__initramfs_end = .;
   }
 #endif
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
 	__per_cpu_start = .;
 	*(.data.percpu)
 	*(.data.percpu.shared_aligned)
 	__per_cpu_end = .;
   }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   /* freed after init ends here */
-	
+
   .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
 	__init_end = .;
 	__bss_start = .;		/* BSS */
@@ -200,7 +200,7 @@ SECTIONS
 	__bss_stop = .;
   	_end = . ;
 	/* This is where the kernel creates the early boot page tables */
-	. = ALIGN(4096);
+	. = ALIGN(PAGE_SIZE);
 	pg0 = . ;
   }
 
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 0992b9946c6..fab13229973 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -37,7 +37,7 @@ SECTIONS
 	KPROBES_TEXT
 	*(.fixup)
 	*(.gnu.warning)
-	_etext = .;			/* End of text section */
+	_etext = .;		/* End of text section */
   } :text = 0x9090
 
   . = ALIGN(16);		/* Exception table */
@@ -60,7 +60,7 @@ SECTIONS
   	__tracedata_end = .;
   }
 
-  . = ALIGN(PAGE_SIZE);        /* Align data segment to page size boundary */
+  . = ALIGN(PAGE_SIZE);		/* Align data segment to page size boundary */
 				/* Data */
   .data : AT(ADDR(.data) - LOAD_OFFSET) {
 	DATA_DATA
@@ -119,7 +119,7 @@ SECTIONS
   .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
 		{ *(.vsyscall_3) }
 
-  . = VSYSCALL_VIRT_ADDR + 4096;
+  . = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
 
 #undef VSYSCALL_ADDR
 #undef VSYSCALL_PHYS_ADDR
@@ -129,28 +129,28 @@ SECTIONS
 #undef VVIRT_OFFSET
 #undef VVIRT
 
-  . = ALIGN(8192);		/* init_task */
+  . = ALIGN(THREAD_SIZE);	/* init_task */
   .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
 	*(.data.init_task)
   }:data.init
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
 	*(.data.page_aligned)
   }
 
   /* might get freed after init */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __smp_alt_begin = .;
   __smp_locks = .;
   .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
 	*(.smp_locks)
   }
   __smp_locks_end = .;
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __smp_alt_end = .;
 
-  . = ALIGN(4096);		/* Init code and data */
+  . = ALIGN(PAGE_SIZE);		/* Init code and data */
   __init_begin = .;
   .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
 	_sinittext = .;
@@ -191,7 +191,7 @@ SECTIONS
   .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
 	*(.altinstructions)
   }
-  __alt_instructions_end = .; 
+  __alt_instructions_end = .;
   .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
 	*(.altinstr_replacement)
   }
@@ -207,25 +207,25 @@ SECTIONS
 /* vdso blob that is mapped into user space */
   vdso_start = . ;
   .vdso  : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   vdso_end = .;
 
 #ifdef CONFIG_BLK_DEV_INITRD
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __initramfs_start = .;
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
   __initramfs_end = .;
 #endif
 
-  PERCPU(4096)
+  PERCPU(PAGE_SIZE)
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __init_end = .;
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __nosave_begin = .;
   .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __nosave_end = .;
 
   __bss_start = .;		/* BSS */