Re: 2.5.47 bootmem crash

[William Lee Irwin III]

On Mon, Nov 18, 2002 at 11:47:15PM +0100, Roman Zippel wrote:
Index: mm/page_alloc.c
===================================================================
RCS file: /home/linux-m68k/cvsroot/linux/mm/page_alloc.c,v
retrieving revision 1.1.1.36
diff -u -p -r1.1.1.36 page_alloc.c
--- mm/page_alloc.c	11 Nov 2002 19:12:51 -0000	1.1.1.36
+++ mm/page_alloc.c	18 Nov 2002 22:45:34 -0000
@@ -1181,7 +1181,7 @@ struct pglist_data contig_page_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
---------- Roman Zippel's patch ends here ------------

This is a valid core fix for "memory doesn't start at zero", and will work
properly on all "memory starts at zero" machines without any overhead.

Thanks,
Bill