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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/powerpc/include/asm/mmzone.h
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/powerpc/include/asm/mmzone.h')
-rw-r--r--arch/powerpc/include/asm/mmzone.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h
new file mode 100644
index 000000000..4c6c6dbd1
--- /dev/null
+++ b/arch/powerpc/include/asm/mmzone.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
+ *
+ * PowerPC64 port:
+ * Copyright (C) 2002 Anton Blanchard, IBM Corp.
+ */
+#ifndef _ASM_MMZONE_H_
+#define _ASM_MMZONE_H_
+#ifdef __KERNEL__
+
+#include <linux/cpumask.h>
+
+/*
+ * generic non-linear memory support:
+ *
+ * 1) we will not split memory into more chunks than will fit into the
+ * flags field of the struct page
+ */
+
+#ifdef CONFIG_NUMA
+
+extern struct pglist_data *node_data[];
+/*
+ * Return a pointer to the node data for node n.
+ */
+#define NODE_DATA(nid) (node_data[nid])
+
+/*
+ * Following are specific to this numa platform.
+ */
+
+extern int numa_cpu_lookup_table[];
+extern cpumask_var_t node_to_cpumask_map[];
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern unsigned long max_pfn;
+u64 memory_hotplug_max(void);
+#else
+#define memory_hotplug_max() memblock_end_of_DRAM()
+#endif
+
+#else
+#define memory_hotplug_max() memblock_end_of_DRAM()
+#endif /* CONFIG_NUMA */
+#ifdef CONFIG_FA_DUMP
+#define __HAVE_ARCH_RESERVED_KERNEL_PAGES
+#endif
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern int create_section_mapping(unsigned long start, unsigned long end,
+ int nid, pgprot_t prot);
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_MMZONE_H_ */