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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/>.
*
*/
#include <linux/export.h>
#include <linux/nodemask.h>
#include <linux/bootmem.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
#include <linux/node.h>
#include <linux/cpu.h>
#include <linux/memblock.h>
#include <asm/string.h>
#include <asm/mmzone.h>
#include <asm/setup.h>
struct pglist_data *node_data[MAX_NUMNODES];
EXPORT_SYMBOL(node_data);
static unsigned int numa_node_count = 1;
void __init arm_numa_alloc_nodes(unsigned long max_low)
{
int node;
for (node = 0; node < numa_node_count; node++) {
phys_addr_t pa = memblock_alloc_base(sizeof(pg_data_t),
L1_CACHE_BYTES, __pfn_to_phys(max_low));
NODE_DATA(node) = __va(pa);
memset(NODE_DATA(node), 0, sizeof(pg_data_t));
NODE_DATA(node)->bdata = &bootmem_node_data[node];
}
}
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