#include <asm/mmzone.h>
#include <bios_ebda.h>
-struct pglist_data *node_data[MAX_NUMNODES];
+struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
bootmem_data_t node0_bdata;
* 2) node_start_pfn - the starting page frame number for a node
* 3) node_end_pfn - the ending page fram number for a node
*/
-unsigned long node_start_pfn[MAX_NUMNODES];
-unsigned long node_end_pfn[MAX_NUMNODES];
+unsigned long node_start_pfn[MAX_NUMNODES] __read_mostly;
+unsigned long node_end_pfn[MAX_NUMNODES] __read_mostly;
#ifdef CONFIG_DISCONTIGMEM
* physnode_map[4-7] = 1;
* physnode_map[8- ] = -1;
*/
-s8 physnode_map[MAX_ELEMENTS] = { [0 ... (MAX_ELEMENTS - 1)] = -1};
+s8 physnode_map[MAX_ELEMENTS] __read_mostly = { [0 ... (MAX_ELEMENTS - 1)] = -1};
EXPORT_SYMBOL(physnode_map);
void memory_present(int nid, unsigned long start, unsigned long end)
reserve_pages += size;
printk("Shrinking node %d from %ld pages to %ld pages\n",
nid, node_end_pfn[nid], node_end_pfn[nid] - size);
+
+ if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
+ /*
+ * Align node_end_pfn[] and node_remap_start_pfn[] to
+ * pmd boundary. remap_numa_kva will barf otherwise.
+ */
+ printk("Shrinking node %d further by %ld pages for proper alignment\n",
+ nid, node_end_pfn[nid] & (PTRS_PER_PTE-1));
+ size += node_end_pfn[nid] & (PTRS_PER_PTE-1);
+ }
+
node_end_pfn[nid] -= size;
node_remap_start_pfn[nid] = node_end_pfn[nid];
}