From: Jack Steiner <steiner@sgi.com>
The latest 2- .6.12-rc5-mm2 will not boot on large SGI systems. "pfn"
was assigned to an "int". Large systems overflow an int.
Trivial fix & it works ok now.....
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
mm/page_alloc.c | 4 ++--
mm/sparse.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/page_alloc.c~sparsemem-hotplug-base-fix mm/page_alloc.c
--- 25/mm/page_alloc.c~sparsemem-hotplug-base-fix 2005-06-01 13:01:27.000000000 -0700
+++ 25-akpm/mm/page_alloc.c 2005-06-01 13:01:27.000000000 -0700
@@ -1588,8 +1588,8 @@ void __init memmap_init_zone(unsigned lo
unsigned long start_pfn)
{
struct page *page;
- int end_pfn = start_pfn + size;
- int pfn;
+ unsigned long end_pfn = start_pfn + size;
+ unsigned long pfn;
for (pfn = start_pfn; pfn < end_pfn; pfn++, page++) {
if (!early_pfn_valid(pfn))
diff -puN mm/sparse.c~sparsemem-hotplug-base-fix mm/sparse.c
--- 25/mm/sparse.c~sparsemem-hotplug-base-fix 2005-06-01 13:01:27.000000000 -0700
+++ 25-akpm/mm/sparse.c 2005-06-01 13:01:27.000000000 -0700
@@ -124,7 +124,7 @@ void sparse_init(void)
* set. If this is <=0, then that means that the passed-in
* map was not consumed and must be freed.
*/
-int sparse_add_one_section(int start_pfn, int nr_pages, struct page *map)
+int sparse_add_one_section(unsigned long start_pfn, int nr_pages, struct page *map)
{
struct mem_section *ms = __pfn_to_section(start_pfn);
_