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-rw-r--r--arch/mips/include/asm/mach-loongson64/mmzone.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h
new file mode 100644
index 0000000000..ebb1deaa77
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson64/mmzone.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2010 Loongson Inc. & Lemote Inc. &
+ * Institute of Computing Technology
+ * Author: Xiang Gao, gaoxiang@ict.ac.cn
+ * Huacai Chen, chenhc@lemote.com
+ * Xiaofu Meng, Shuangshuang Zhang
+ */
+#ifndef _ASM_MACH_LOONGSON64_MMZONE_H
+#define _ASM_MACH_LOONGSON64_MMZONE_H
+
+#define NODE_ADDRSPACE_SHIFT 44
+
+#define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT)
+#define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT)
+
+extern struct pglist_data *__node_data[];
+
+#define NODE_DATA(n) (__node_data[n])
+
+extern void setup_zero_pages(void);
+extern void __init prom_init_numa_memory(void);
+
+#endif /* _ASM_MACH_MMZONE_H */