Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 0000000000..4c6c6dbd18
--- /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_ */