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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/x86/mm/highmem_32.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
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.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
new file mode 100644
index 000000000..2c54b76d8
--- /dev/null
+++ b/arch/x86/mm/highmem_32.c
@@ -0,0 +1,33 @@
+// 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>
+
+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);
+ }
+}