Commit 204ecae4 authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 30f0e0f4

arch/arm/mm/init.c

+7 −4
Original line number Diff line number Diff line
@@ -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++;