diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 9d74520298ab..853d15344934 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -282,7 +282,7 @@ mem_init(void)
 {
 	set_max_mapnr(max_low_pfn);
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 }
 
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index ba145065c579..0f29c6548779 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -218,7 +218,7 @@ void __init mem_init(void)
 		free_highmem_page(pfn_to_page(tmp));
 #endif
 
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 }
 
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 0cc8e04295a4..d421a10c93a8 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -508,7 +508,7 @@ void __init mem_init(void)
 
 	/* this will put all unused low memory onto the freelists */
 	free_unused_memmap();
-	free_all_bootmem();
+	memblock_free_all();
 
 #ifdef CONFIG_SA1111
 	/* now that our DMA memory is actually so designated, we can free it */
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 2ddb1c5e988d..d8d73073835f 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -599,7 +599,7 @@ void __init mem_init(void)
 	free_unused_memmap();
 #endif
 	/* this will put all unused low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	kexec_reserve_crashkres_pages();
 
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index dc369ad8b0ba..3383df8b3508 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -62,7 +62,7 @@ void __init mem_init(void)
 	high_memory = (void *)(memory_end & PAGE_MASK);
 
 	/* this will put all memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 }
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 5d31ac9d7a8d..f2bf4487aabd 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -96,7 +96,7 @@ void __init mem_init(void)
 	max_mapnr = MAP_NR(high_memory);
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 }
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index d789b9cc0189..88643faf3981 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -68,7 +68,7 @@ unsigned long long kmap_generation;
 void __init mem_init(void)
 {
 	/*  No idea where this is actually declared.  Seems to evade LXR.  */
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 
 	/*
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 2169ca52bdf4..43ea4a47163d 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -627,7 +627,7 @@ mem_init (void)
 
 	set_max_mapnr(max_low_pfn);
 	high_memory = __va(max_low_pfn * PAGE_SIZE);
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 
 	/*
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 977363eda125..ae49ae4d3049 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -140,7 +140,7 @@ static inline void init_pointer_tables(void)
 void __init mem_init(void)
 {
 	/* this will put all memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	init_pointer_tables();
 	mem_init_print_info(NULL);
 }
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 8c7f074ec20f..9989740d397a 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -204,7 +204,7 @@ void __init mem_init(void)
 	high_memory = (void *)__va(memory_start + lowmem_size - 1);
 
 	/* this will put all memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 #ifdef CONFIG_HIGHMEM
 	highmem_setup();
 #endif
diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c
index c1e6ec52c614..703ad4536fe0 100644
--- a/arch/mips/loongson64/loongson-3/numa.c
+++ b/arch/mips/loongson64/loongson-3/numa.c
@@ -272,7 +272,7 @@ void __init paging_init(void)
 void __init mem_init(void)
 {
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
-	free_all_bootmem();
+	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
 	mem_init_print_info(NULL);
 }
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 842a49ef9909..0893b6136498 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -463,7 +463,7 @@ void __init mem_init(void)
 	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
 
 	maar_init();
-	free_all_bootmem();
+	memblock_free_all();
 	setup_zero_pages();	/* Setup zeroed pages.  */
 	mem_init_free_highmem();
 	mem_init_print_info(NULL);
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 6f7bef052b7f..cb1f1a6a166d 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -475,7 +475,7 @@ void __init paging_init(void)
 void __init mem_init(void)
 {
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
-	free_all_bootmem();
+	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
 	mem_init_print_info(NULL);
 }
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index 5af81b866aa5..66d3e9cf498d 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -192,7 +192,7 @@ void __init mem_init(void)
 	free_highmem();
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 
 	pr_info("virtual kernel memory layout:\n"
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index c92fe4234009..12923501d94f 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -73,7 +73,7 @@ void __init mem_init(void)
 	high_memory = __va(end_mem);
 
 	/* this will put all memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	mem_init_print_info(NULL);
 }
 
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index b7670de26c11..91a6a9ab7598 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -213,7 +213,7 @@ void __init mem_init(void)
 	memset((void *)empty_zero_page, 0, PAGE_SIZE);
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index f88a52b8531c..7e7a3126c5e9 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -621,7 +621,7 @@ void __init mem_init(void)
 
 	high_memory = __va((max_pfn << PAGE_SHIFT));
 	set_max_mapnr(page_to_pfn(virt_to_page(high_memory - 1)) + 1);
-	free_all_bootmem();
+	memblock_free_all();
 
 #ifdef CONFIG_PA11
 	if (boot_cpu_data.cpu_type == pcxl2 || boot_cpu_data.cpu_type == pcxl) {
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index dd949d6649a2..b3fe79064a69 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -349,7 +349,7 @@ void __init mem_init(void)
 
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 	set_max_mapnr(max_pfn);
-	free_all_bootmem();
+	memblock_free_all();
 
 #ifdef CONFIG_HIGHMEM
 	{
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 58a522f9bcc3..d58c111099b3 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -55,7 +55,7 @@ void __init mem_init(void)
 #endif /* CONFIG_FLATMEM */
 
 	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 }
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 92d7a153e72a..873f6ee1c46d 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -139,7 +139,7 @@ void __init mem_init(void)
 	cmma_init();
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	setup_zero_pages();	/* Setup zeroed pages. */
 
 	cmma_init_nodat();
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index c884b760e52f..21447f866415 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -350,7 +350,7 @@ void __init mem_init(void)
 		high_memory = max_t(void *, high_memory,
 				    __va(pgdat_end_pfn(pgdat) << PAGE_SHIFT));
 
-	free_all_bootmem();
+	memblock_free_all();
 
 	/* Set this up early, so we can take care of the zero page */
 	cpu_cache_init();
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 885dd3881874..880714565c40 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -277,7 +277,7 @@ void __init mem_init(void)
 
 	max_mapnr = last_valid_pfn - pfn_base;
 	high_memory = __va(max_low_pfn << PAGE_SHIFT);
-	free_all_bootmem();
+	memblock_free_all();
 
 	for (i = 0; sp_banks[i].num_bytes != 0; i++) {
 		unsigned long start_pfn = sp_banks[i].base_addr >> PAGE_SHIFT;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 6f965e6d01cc..a8c3453195e6 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2545,12 +2545,12 @@ void __init mem_init(void)
 {
 	high_memory = __va(last_valid_pfn << PAGE_SHIFT);
 
-	free_all_bootmem();
+	memblock_free_all();
 
 	/*
 	 * Must be done after boot memory is put on freelist, because here we
 	 * might set fields in deferred struct pages that have not yet been
-	 * initialized, and free_all_bootmem() initializes all the reserved
+	 * initialized, and memblock_free_all() initializes all the reserved
 	 * deferred pages for us.
 	 */
 	register_page_bootmem_info();
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 3555c139389c..2c672a8f4571 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -51,7 +51,7 @@ void __init mem_init(void)
 	uml_reserved = brk_end;
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	max_low_pfn = totalram_pages;
 	max_pfn = totalram_pages;
 	mem_init_print_info(NULL);
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 4ba51991c7de..44fd0e8fbe87 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -286,7 +286,7 @@ void __init mem_init(void)
 	free_unused_memmap(&meminfo);
 
 	/* this will put all unused low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 	printk(KERN_NOTICE "Virtual kernel memory layout:\n"
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index 6d18b70ed5a9..62915a5e0fa2 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -111,7 +111,7 @@ void __init set_highmem_pages_init(void)
 
 	/*
 	 * Explicitly reset zone->managed_pages because set_highmem_pages_init()
-	 * is invoked before free_all_bootmem()
+	 * is invoked before memblock_free_all()
 	 */
 	reset_all_zones_managed_pages();
 	for_each_zone(zone) {
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 142c7d9f89cc..3bbe5f58a67d 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -771,7 +771,7 @@ void __init mem_init(void)
 #endif
 	/*
 	 * With CONFIG_DEBUG_PAGEALLOC initialization of highmem pages has to
-	 * be done before free_all_bootmem(). Memblock use free low memory for
+	 * be done before memblock_free_all(). Memblock use free low memory for
 	 * temporary data (see find_range_array()) and for this purpose can use
 	 * pages that was already passed to the buddy allocator, hence marked as
 	 * not accessible in the page tables when compiled with
@@ -781,7 +781,7 @@ void __init mem_init(void)
 	set_highmem_pages_init();
 
 	/* this will put all low memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f39b51244fe2..bfb0bedc21d3 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1188,14 +1188,14 @@ void __init mem_init(void)
 	/* clear_bss() already clear the empty_zero_page */
 
 	/* this will put all memory onto the freelists */
-	free_all_bootmem();
+	memblock_free_all();
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
 
 	/*
 	 * Must be done after boot memory is put on freelist, because here we
 	 * might set fields in deferred struct pages that have not yet been
-	 * initialized, and free_all_bootmem() initializes all the reserved
+	 * initialized, and memblock_free_all() initializes all the reserved
 	 * deferred pages for us.
 	 */
 	register_page_bootmem_info();
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 70ea598a37d2..0d7b3ae4960b 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -864,7 +864,7 @@ static int __init xen_mark_pinned(struct mm_struct *mm, struct page *page,
  * The init_mm pagetable is really pinned as soon as its created, but
  * that's before we have page structures to store the bits.  So do all
  * the book-keeping now once struct pages for allocated pages are
- * initialized. This happens only after free_all_bootmem() is called.
+ * initialized. This happens only after memblock_free_all() is called.
  */
 static void __init xen_after_bootmem(void)
 {
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 34aead7dcb48..f7fbe6334939 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -152,7 +152,7 @@ void __init mem_init(void)
 	max_mapnr = max_pfn - ARCH_PFN_OFFSET;
 	high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT);
 
-	free_all_bootmem();
+	memblock_free_all();
 
 	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index bcc7e2fcb6a6..b58873a567b2 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -26,7 +26,7 @@ extern unsigned long max_pfn;
  */
 extern unsigned long long max_possible_pfn;
 
-extern unsigned long free_all_bootmem(void);
+extern unsigned long memblock_free_all(void);
 extern void reset_node_managed_pages(pg_data_t *pgdat);
 extern void reset_all_zones_managed_pages(void);
 
diff --git a/mm/memblock.c b/mm/memblock.c
index 58340de3ebc6..e2f397174734 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1360,7 +1360,7 @@ static void * __init memblock_alloc_internal(
 	/*
 	 * Detect any accidental use of these APIs after slab is ready, as at
 	 * this moment memblock may be deinitialized already and its
-	 * internal data may be destroyed (after execution of free_all_bootmem)
+	 * internal data may be destroyed (after execution of memblock_free_all)
 	 */
 	if (WARN_ON_ONCE(slab_is_available()))
 		return kzalloc_node(size, GFP_NOWAIT, nid);
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index ee0f7fc37fd1..bb64b09ca4d2 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -111,11 +111,11 @@ void __init reset_all_zones_managed_pages(void)
 }
 
 /**
- * free_all_bootmem - release free pages to the buddy allocator
+ * memblock_free_all - release free pages to the buddy allocator
  *
  * Return: the number of pages actually released.
  */
-unsigned long __init free_all_bootmem(void)
+unsigned long __init memblock_free_all(void)
 {
 	unsigned long pages;
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8ca6954fdcdc..6e9b8387a706 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5476,7 +5476,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn)
 
 /*
  * Initially all pages are reserved - free ones are freed
- * up by free_all_bootmem() once the early boot process is
+ * up by memblock_free_all() once the early boot process is
  * done. Non-atomic initialization, single-pass.
  */
 void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
diff --git a/mm/page_poison.c b/mm/page_poison.c
index aa2b3d34e8ea..f7e2a676365a 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -21,7 +21,7 @@ bool page_poisoning_enabled(void)
 {
 	/*
 	 * Assumes that debug_pagealloc_enabled is set before
-	 * free_all_bootmem.
+	 * memblock_free_all.
 	 * Page poisoning is debug page alloc for some arches. If
 	 * either of those options are enabled, enable poisoning.
 	 */