ACPI / PM: Drop acpi_restore_state_mem()

The function acpi_restore_state_mem() has never been and most likely
never will be used, so remove it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 211ca3f7fd16..47981f0d121b 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -112,9 +112,8 @@ static inline void acpi_disable_pci(void)
         acpi_noirq_set();
 }
 
-/* routines for saving/restoring kernel state */
+/* Routine for saving kernel state during suspend. */
 extern int acpi_save_state_mem(void);
-extern void acpi_restore_state_mem(void);
 
 extern unsigned long acpi_wakeup_address;