[PATCH] bootmem crash fix

From Roman Zippel.  Don't assume that physical memory starts at
physical address zero.

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7265ce82ebb98ac614ef4522490cbab052820119..03742e19be53d5c87a29372f31a851bec7dd8a08 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1192,7 +1192,8 @@ struct pglist_data contig_page_data = { .bdata = &contig_bootmem_data };
 
 void __init free_area_init(unsigned long *zones_size)
 {
-       free_area_init_node(0, &contig_page_data, NULL, zones_size, 0, NULL);
+       free_area_init_node(0, &contig_page_data, NULL, zones_size,
+                       __pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL);
        mem_map = contig_page_data.node_mem_map;
 }
 #endif