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[ARM] Fix show_mem() for discontigmem 

show_mem() was assuming incorrectly that the mem_map for any
node started at PFN 0.  This is obviously wrong; fix it to
take account of node_start_pfn.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2007-01-16 14:01:47 +00:00 committed by Russell King
parent 30f0e0f415
commit 204ecae4e1
1 changed files with 7 additions and 4 deletions
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11
arch/arm/mm/init.c
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@ -52,15 +52,18 @@ void show_mem(void)
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
for_each_online_node(node) {
pg_data_t *n = NODE_DATA(node);
struct page *map = n->node_mem_map - n->node_start_pfn;
for_each_nodebank (i,mi,node) {
unsigned int pfn1, pfn2;
struct page *page, *end;
pfn1 = mi->bank[i].start >> PAGE_SHIFT;
pfn2 = (mi->bank[i].size + mi->bank[i].start) >> PAGE_SHIFT;
pfn1 = __phys_to_pfn(mi->bank[i].start);
pfn2 = __phys_to_pfn(mi->bank[i].size + mi->bank[i].start);
page = NODE_MEM_MAP(node) + pfn1;
end = NODE_MEM_MAP(node) + pfn2;
page = map + pfn1;
end = map + pfn2;
do {
total++;