From: Andi Kleen <ak@suse.de>
Fix vmalloc overflow with 4levels.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/mm/vmalloc.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/vmalloc.c~4level-fix-vmalloc-overflow mm/vmalloc.c
--- 25/mm/vmalloc.c~4level-fix-vmalloc-overflow Fri Nov 5 16:16:52 2004
+++ 25-akpm/mm/vmalloc.c Fri Nov 5 16:16:52 2004
@@ -213,7 +213,7 @@ int map_vm_area(struct vm_struct *area,
err = -ENOMEM;
break;
}
- next = (address + PGDIR_SIZE) & PGDIR_MASK;
+ next = (address + PML4_SIZE) & PML4_MASK;
if (next < address || next > end)
next = end;
if (map_area_pgd(pgd, address, next, prot, pages)) {
_