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-rw-r--r--arch/x86_64/kernel/setup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0f400f3c4694..af838f6b0b7f 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -333,7 +333,7 @@ void __init setup_arch(char **cmdline_p)
reserve_bootmem_generic(SMP_TRAMPOLINE_BASE, 2*PAGE_SIZE);
#endif
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_SLEEP
/*
* Reserve low memory region for sleep support.
*/
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