diff options
author | 2015-08-04 12:17:53 -0700 | |
---|---|---|
committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/ia64/include/asm/nodedata.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/ia64/include/asm/nodedata.h')
-rw-r--r-- | kernel/arch/ia64/include/asm/nodedata.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/kernel/arch/ia64/include/asm/nodedata.h b/kernel/arch/ia64/include/asm/nodedata.h new file mode 100644 index 000000000..2fb337b0e --- /dev/null +++ b/kernel/arch/ia64/include/asm/nodedata.h @@ -0,0 +1,63 @@ +/* + * 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 */ |