--- arch/x86/kernel/trampoline.c

+++ arch/x86/kernel/trampoline.c

@@ -1,6 +1,7 @@

#include <linux/io.h>

#include <asm/trampoline.h>

+#include <asm/pgtable.h>

#include <asm/e820.h>

#if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP)

@@ -39,3 +40,19 @@ unsigned long __trampinit setup_trampoli

memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE);

return virt_to_phys(trampoline_base);

}

+

+void __init setup_trampoline_page_table(void)

+{

+#ifdef CONFIG_X86_32

+ /* Copy kernel address range */

+ clone_pgd_range(trampoline_pg_dir + KERNEL_PGD_BOUNDARY,

+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,

+ KERNEL_PGD_PTRS);

+

+ /* Initialize low mappings */

+ clone_pgd_range(trampoline_pg_dir,

+ swapper_pg_dir + KERNEL_PGD_BOUNDARY,

+ min_t(unsigned long, KERNEL_PGD_PTRS,

+ KERNEL_PGD_BOUNDARY));

+#endif

+}