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/*
* Discontiguous memory and NUMA support, based on the PowerPC implementation.
*
* Copyright (C) 2012 ARM Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __ASM_ARM_MMZONE_H_
#define __ASM_ARM_MMZONE_H_
#ifdef __KERNEL__
#include <linux/cpumask.h>
#ifdef CONFIG_NUMA_ALLOC_NODES
#define NODE_DATA(nid) (node_data[nid])
extern void __init arm_numa_alloc_nodes(unsigned long max_low);
extern struct pglist_data *node_data[];
#else
#define arm_numa_alloc_nodes(_mlow) do {} while (0)
#endif
#ifdef CONFIG_NUMA
extern cpumask_var_t *node_to_cpumask_map;
extern int numa_cpu_lookup_table[];
extern int pfn_to_nid(unsigned long pfn);
extern void __init arm_setup_nodes(unsigned long min, unsigned long max_high);
extern void __init arm_numa_alloc_cpumask(unsigned long max_low);
#else
#define pfn_to_nid(pfn) (0)
#define arm_setup_nodes(min, max_high) memblock_set_node( \
__pfn_to_phys(min), \
__pfn_to_phys(max_high - min), 0)
#define arm_numa_alloc_cpumask(max_low) do {} while (0)
#endif /* CONFIG_NUMA */
#endif /* __KERNEL__ */
#endif /* __ASM_ARM_MMZONE_H_ */
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