1 files changed, 0 insertions, 128 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
deleted file mode 100644
index 9608bc581cd6..000000000000
--- a/mm/nobootmem.c
+++ /dev/null
@@ -1,128 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  bootmem - A boot-time physical memory allocator and configurator
- *
- *  Copyright (C) 1999 Ingo Molnar
- *                1999 Kanoj Sarcar, SGI
- *                2008 Johannes Weiner
- *
- * Access to this subsystem has to be serialized externally (which is true
- * for the boot process anyway).
- */
-#include <linux/init.h>
-#include <linux/pfn.h>
-#include <linux/slab.h>
-#include <linux/export.h>
-#include <linux/kmemleak.h>
-#include <linux/range.h>
-#include <linux/memblock.h>
-#include <linux/bootmem.h>
-
-#include <asm/bug.h>
-#include <asm/io.h>
-
-#include "internal.h"
-
-#ifndef CONFIG_NEED_MULTIPLE_NODES
-struct pglist_data __refdata contig_page_data;
-EXPORT_SYMBOL(contig_page_data);
-#endif
-
-unsigned long max_low_pfn;
-unsigned long min_low_pfn;
-unsigned long max_pfn;
-unsigned long long max_possible_pfn;
-
-static void __init __free_pages_memory(unsigned long start, unsigned long end)
-{
-	int order;
-
-	while (start < end) {
-		order = min(MAX_ORDER - 1UL, __ffs(start));
-
-		while (start + (1UL << order) > end)
-			order--;
-
-		memblock_free_pages(pfn_to_page(start), start, order);
-
-		start += (1UL << order);
-	}
-}
-
-static unsigned long __init __free_memory_core(phys_addr_t start,
-				 phys_addr_t end)
-{
-	unsigned long start_pfn = PFN_UP(start);
-	unsigned long end_pfn = min_t(unsigned long,
-				      PFN_DOWN(end), max_low_pfn);
-
-	if (start_pfn >= end_pfn)
-		return 0;
-
-	__free_pages_memory(start_pfn, end_pfn);
-
-	return end_pfn - start_pfn;
-}
-
-static unsigned long __init free_low_memory_core_early(void)
-{
-	unsigned long count = 0;
-	phys_addr_t start, end;
-	u64 i;
-
-	memblock_clear_hotplug(0, -1);
-
-	for_each_reserved_mem_region(i, &start, &end)
-		reserve_bootmem_region(start, end);
-
-	/*
-	 * We need to use NUMA_NO_NODE instead of NODE_DATA(0)->node_id
-	 *  because in some case like Node0 doesn't have RAM installed
-	 *  low ram will be on Node1
-	 */
-	for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE, &start, &end,
-				NULL)
-		count += __free_memory_core(start, end);
-
-	return count;
-}
-
-static int reset_managed_pages_done __initdata;
-
-void reset_node_managed_pages(pg_data_t *pgdat)
-{
-	struct zone *z;
-
-	for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++)
-		z->managed_pages = 0;
-}
-
-void __init reset_all_zones_managed_pages(void)
-{
-	struct pglist_data *pgdat;
-
-	if (reset_managed_pages_done)
-		return;
-
-	for_each_online_pgdat(pgdat)
-		reset_node_managed_pages(pgdat);
-
-	reset_managed_pages_done = 1;
-}
-
-/**
- * memblock_free_all - release free pages to the buddy allocator
- *
- * Return: the number of pages actually released.
- */
-unsigned long __init memblock_free_all(void)
-{
-	unsigned long pages;
-
-	reset_all_zones_managed_pages();
-
-	pages = free_low_memory_core_early();
-	totalram_pages += pages;
-
-	return pages;
-}