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-rw-r--r--drivers/base/dmapool.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c
index e2f64f91ed05..33c5cce1560b 100644
--- a/drivers/base/dmapool.c
+++ b/drivers/base/dmapool.c
@@ -7,6 +7,7 @@
7#include <linux/dmapool.h> 7#include <linux/dmapool.h>
8#include <linux/slab.h> 8#include <linux/slab.h>
9#include <linux/module.h> 9#include <linux/module.h>
10#include <linux/poison.h>
10 11
11/* 12/*
12 * Pool allocator ... wraps the dma_alloc_coherent page allocator, so 13 * Pool allocator ... wraps the dma_alloc_coherent page allocator, so
@@ -35,8 +36,6 @@ struct dma_page { /* cacheable header for 'allocation' bytes */
35}; 36};
36 37
37#define POOL_TIMEOUT_JIFFIES ((100 /* msec */ * HZ) / 1000) 38#define POOL_TIMEOUT_JIFFIES ((100 /* msec */ * HZ) / 1000)
38#define POOL_POISON_FREED 0xa7 /* !inuse */
39#define POOL_POISON_ALLOCATED 0xa9 /* !initted */
40 39
41static DECLARE_MUTEX (pools_lock); 40static DECLARE_MUTEX (pools_lock);
42 41