mm/vmalloc: fix possible exhaustion of vmalloc space caused by vm_map_ram allocator

[karo-tx-linux.git] / mm / vmalloc.c

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a5bbdd3b5d6782b3bdb013d0b9698723639d1e78..84feb5249b12b7b8cae7a8236df3da420fa52c23 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -842,7 +842,7 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
 
        vbq = &get_cpu_var(vmap_block_queue);
        spin_lock(&vbq->lock);
-       list_add_rcu(&vb->free_list, &vbq->free);
+       list_add_tail_rcu(&vb->free_list, &vbq->free);
        spin_unlock(&vbq->lock);
        put_cpu_var(vmap_block_queue);