diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index 7d033e9d93c4..2410d4cdbafc 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -36,7 +36,7 @@ extern char *e820__memory_setup_default(void);
 extern void e820__setup_pci_gap(void);
 
 extern void e820_reallocate_tables(void);
-extern void e820_mark_nosave_regions(unsigned long limit_pfn);
+extern void e820__register_nosave_regions(unsigned long limit_pfn);
 
 /*
  * Returns true iff the specified range [start,end) is completely contained inside
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 552cb9f74dd3..97d1250f7507 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -690,15 +690,15 @@ void __init e820__memory_setup_extended(u64 phys_addr, u32 data_len)
 	e820__print_table("extended");
 }
 
-/**
+/*
  * Find the ranges of physical addresses that do not correspond to
- * E820 RAM areas and mark the corresponding pages as 'nosave' for
+ * E820 RAM areas and register the corresponding pages as 'nosave' for
  * hibernation (32-bit) or software suspend and suspend to RAM (64-bit).
  *
  * This function requires the E820 map to be sorted and without any
  * overlapping entries.
  */
-void __init e820_mark_nosave_regions(unsigned long limit_pfn)
+void __init e820__register_nosave_regions(unsigned long limit_pfn)
 {
 	int i;
 	unsigned long pfn = 0;
@@ -724,7 +724,7 @@ void __init e820_mark_nosave_regions(unsigned long limit_pfn)
  * Register ACPI NVS memory regions, so that we can save/restore them during
  * hibernation and the subsequent resume:
  */
-static int __init e820_mark_nvs_memory(void)
+static int __init e820__register_nvs_regions(void)
 {
 	int i;
 
@@ -737,7 +737,7 @@ static int __init e820_mark_nvs_memory(void)
 
 	return 0;
 }
-core_initcall(e820_mark_nvs_memory);
+core_initcall(e820__register_nvs_regions);
 #endif
 
 /*
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 34b16fcef131..0e0b15b53c69 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1236,7 +1236,7 @@ void __init setup_arch(char **cmdline_p)
 	kvm_guest_init();
 
 	e820__reserve_resources();
-	e820_mark_nosave_regions(max_low_pfn);
+	e820__register_nosave_regions(max_low_pfn);
 
 	x86_init.resources.reserve_resources();