diff --git a/target/linux/xburst/patches-2.6.31/300-jffs2-summery-vmalloc.patch b/target/linux/xburst/patches-2.6.31/300-jffs2-summery-vmalloc.patch
new file mode 100644
index 000000000..ffcb1d992
--- /dev/null
+++ b/target/linux/xburst/patches-2.6.31/300-jffs2-summery-vmalloc.patch
@@ -0,0 +1,22 @@
+diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
+index 6caf1e1..b4882c6 100644
+--- a/fs/jffs2/summary.c
++++ b/fs/jffs2/summary.c
+@@ -32,7 +32,7 @@ int jffs2_sum_init(struct jffs2_sb_info *c)
+ 		return -ENOMEM;
+ 	}
+ 
+-	c->summary->sum_buf = kmalloc(sum_size, GFP_KERNEL);
++	c->summary->sum_buf = vmalloc(sum_size);
+ 
+ 	if (!c->summary->sum_buf) {
+ 		JFFS2_WARNING("Can't allocate buffer for writing out summary information!\n");
+@@ -51,7 +51,7 @@ void jffs2_sum_exit(struct jffs2_sb_info *c)
+ 
+ 	jffs2_sum_disable_collecting(c->summary);
+ 
+-	kfree(c->summary->sum_buf);
++	vfree(c->summary->sum_buf);
+ 	c->summary->sum_buf = NULL;
+ 
+ 	kfree(c->summary);