From: AceVest <zhaoyanbai@126.com>
Date: Sat, 5 Apr 2014 15:40:41 +0000 (+0800)
Subject: fix bug in alloc pages
X-Git-Tag: 0.3.0~85
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/soc.html?a=commitdiff_plain;h=ff978ebd3d09c8dad3d24089dc9207ef3d9624c7;p=kernel.git

fix bug in alloc pages
---

diff --git a/mm/buddy.c b/mm/buddy.c
index 1ce579f..934c7f4 100644
--- a/mm/buddy.c
+++ b/mm/buddy.c
@@ -62,7 +62,7 @@ found:
         size = 1UL << select_order;
 
         buddy = page + size;
-        list_add(&(page->lru), &(area->free_list)); 
+        list_add(&(buddy->lru), &(area->free_list)); 
         area->free_count++;
         buddy->private = select_order;
         SetPagePrivate(buddy);
@@ -150,6 +150,13 @@ void dump_buddy_system()
     }
 
 
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
+    printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
     printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
     printk("alloc 1 pages va 0x%08x\n", alloc_pages(0, 0));
     printk("alloc 2 pages va 0x%08x\n", alloc_pages(0, 1));