X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=kernel%2Fdma%2Fswiotlb.c;h=6f7619c1f8774985dfb4b669b6c83ff2186fdeaa;hb=4c4a5c99af7f479a14759196f8df9467128f3baf;hp=53012db1e53c6915ee29b0bcd7e543def476232b;hpb=22781f0745f68e408c91641045a48cd7deda1c2c;p=linux-2.6-microblaze.git

diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 53012db1e53c..6f7619c1f877 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -452,6 +452,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
 	unsigned long mask;
 	unsigned long offset_slots;
 	unsigned long max_slots;
+	unsigned long tmp_io_tlb_used;
 
 	if (no_iotlb_memory)
 		panic("Can not allocate SWIOTLB buffer earlier and can't now provide you with the DMA bounce buffer");
@@ -538,9 +539,12 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
 	} while (index != wrap);
 
 not_found:
+	tmp_io_tlb_used = io_tlb_used;
+
 	spin_unlock_irqrestore(&io_tlb_lock, flags);
 	if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit())
-		dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
+		dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes), total %lu (slots), used %lu (slots)\n",
+			 size, io_tlb_nslabs, tmp_io_tlb_used);
 	return DMA_MAPPING_ERROR;
 found:
 	io_tlb_used += nslots;