| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | #include <linux/highmem.h> |
| 3 | #include <linux/export.h> |
| 4 | #include <linux/swap.h> /* for totalram_pages */ |
| 5 | #include <linux/memblock.h> |
| 6 | #include <asm/numa.h> |
| 7 | |
| 8 | void __init set_highmem_pages_init(void) |
| 9 | { |
| 10 | struct zone *zone; |
| 11 | int nid; |
| 12 | |
| 13 | /* |
| 14 | * Explicitly reset zone->managed_pages because set_highmem_pages_init() |
| 15 | * is invoked before memblock_free_all() |
| 16 | */ |
| 17 | reset_all_zones_managed_pages(); |
| 18 | for_each_zone(zone) { |
| 19 | unsigned long zone_start_pfn, zone_end_pfn; |
| 20 | |
| 21 | if (!is_highmem(zone)) |
| 22 | continue; |
| 23 | |
| 24 | zone_start_pfn = zone->zone_start_pfn; |
| 25 | zone_end_pfn = zone_start_pfn + zone->spanned_pages; |
| 26 | |
| 27 | nid = zone_to_nid(zone); |
| 28 | printk(KERN_INFO "Initializing %s for node %d (%08lx:%08lx)\n", |
| 29 | zone->name, nid, zone_start_pfn, zone_end_pfn); |
| 30 | |
| 31 | add_highpages_with_active_regions(nid, zone_start_pfn, |
| 32 | zone_end_pfn); |
| 33 | } |
| 34 | } |
| 35 |