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: /lib/modules/5.11.0-1022-aws/build/arch/ia64/include/asm/ [ drwxr-xr-x ]
name : nodedata.h /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (c) 2000 Silicon Graphics, Inc. All rights reserved. * Copyright (c) 2002 NEC Corp. * Copyright (c) 2002 Erich Focht <efocht@ess.nec.de> * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com> */ #ifndef _ASM_IA64_NODEDATA_H #define _ASM_IA64_NODEDATA_H #include <linux/numa.h> #include <asm/percpu.h> #include <asm/mmzone.h> #ifdef CONFIG_NUMA /* * Node Data. One of these structures is located on each node of a NUMA system. */ struct pglist_data; struct ia64_node_data { short active_cpu_count; short node; struct pglist_data *pg_data_ptrs[MAX_NUMNODES]; }; /* * Return a pointer to the node_data structure for the executing cpu. */ #define local_node_data (local_cpu_data->node_data) /* * Given a node id, return a pointer to the pg_data_t for the node. * * NODE_DATA - should be used in all code not related to system * initialization. It uses pernode data structures to minimize * offnode memory references. However, these structure are not * present during boot. This macro can be used once cpu_init * completes. */ #define NODE_DATA(nid) (local_node_data->pg_data_ptrs[nid]) /* * LOCAL_DATA_ADDR - This is to calculate the address of other node's * "local_node_data" at hot-plug phase. The local_node_data * is pointed by per_cpu_page. Kernel usually use it for * just executing cpu. However, when new node is hot-added, * the addresses of local data for other nodes are necessary * to update all of them. */ #define LOCAL_DATA_ADDR(pgdat) \ ((struct ia64_node_data *)((u64)(pgdat) + \ L1_CACHE_ALIGN(sizeof(struct pglist_data)))) #endif /* CONFIG_NUMA */ #endif /* _ASM_IA64_NODEDATA_H */