Merge branches 'core/signal' and 'x86/spinlocks' into x86/xen

[linux-2.6-omap-h63xx.git] / arch / x86 / mm / fault.c

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 455f3fe67b42412c8acda3eb63e33678ebec1845..a742d753d5b0ae438a65e976354556a8b0c938b1 100644 (file)
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -35,6 +35,7 @@
 #include <asm/tlbflush.h>
 #include <asm/proto.h>
 #include <asm-generic/sections.h>
+#include <asm/traps.h>
 
 /*
  * Page fault error code bits
@@ -357,8 +358,6 @@ static int is_errata100(struct pt_regs *regs, unsigned long address)
        return 0;
 }
 
-void do_invalid_op(struct pt_regs *, unsigned long);
-
 static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
 {
 #ifdef CONFIG_X86_F00F_BUG
@@ -915,15 +914,15 @@ LIST_HEAD(pgd_list);
 
 void vmalloc_sync_all(void)
 {
-#ifdef CONFIG_X86_32
-       unsigned long start = VMALLOC_START & PGDIR_MASK;
        unsigned long address;
 
+#ifdef CONFIG_X86_32
        if (SHARED_KERNEL_PMD)
                return;
 
-       BUILD_BUG_ON(TASK_SIZE & ~PGDIR_MASK);
-       for (address = start; address >= TASK_SIZE; address += PGDIR_SIZE) {
+       for (address = VMALLOC_START & PMD_MASK;
+            address >= TASK_SIZE && address < FIXADDR_TOP;
+            address += PMD_SIZE) {
                unsigned long flags;
                struct page *page;
 
@@ -936,10 +935,8 @@ void vmalloc_sync_all(void)
                spin_unlock_irqrestore(&pgd_lock, flags);
        }
 #else /* CONFIG_X86_64 */
-       unsigned long start = VMALLOC_START & PGDIR_MASK;
-       unsigned long address;
-
-       for (address = start; address <= VMALLOC_END; address += PGDIR_SIZE) {
+       for (address = VMALLOC_START & PGDIR_MASK; address <= VMALLOC_END;
+            address += PGDIR_SIZE) {
                const pgd_t *pgd_ref = pgd_offset_k(address);
                unsigned long flags;
                struct page *page;