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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/x86/mm/highmem_32.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/mm/highmem_32.c')
-rw-r--r-- | arch/x86/mm/highmem_32.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c new file mode 100644 index 0000000000..d9efa35711 --- /dev/null +++ b/arch/x86/mm/highmem_32.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0-only +#include <linux/highmem.h> +#include <linux/export.h> +#include <linux/swap.h> /* for totalram_pages */ +#include <linux/memblock.h> +#include <asm/numa.h> + +void __init set_highmem_pages_init(void) +{ + struct zone *zone; + int nid; + + /* + * Explicitly reset zone->managed_pages because set_highmem_pages_init() + * is invoked before memblock_free_all() + */ + reset_all_zones_managed_pages(); + for_each_zone(zone) { + unsigned long zone_start_pfn, zone_end_pfn; + + if (!is_highmem(zone)) + continue; + + zone_start_pfn = zone->zone_start_pfn; + zone_end_pfn = zone_start_pfn + zone->spanned_pages; + + nid = zone_to_nid(zone); + printk(KERN_INFO "Initializing %s for node %d (%08lx:%08lx)\n", + zone->name, nid, zone_start_pfn, zone_end_pfn); + + add_highpages_with_active_regions(nid, zone_start_pfn, + zone_end_pfn); + } +} |