Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.
Originated-by: Jens Axboe <[EMAIL PROTECTED]>
Signed-off-by: Thomas Chou <[EMAIL PROTECTED]>
---
linux-2.6.x/include/asm-nios2nommu/scatterlist.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/linux-2.6.x/include/asm-nios2nommu/scatterlist.h
b/linux-2.6.x/include/asm-nios2nommu/scatterlist.h
index 5064ea1..911c474 100644
--- a/linux-2.6.x/include/asm-nios2nommu/scatterlist.h
+++ b/linux-2.6.x/include/asm-nios2nommu/scatterlist.h
@@ -4,6 +4,9 @@
#include <asm/types.h>
struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+ unsigned long sg_magic;
+#endif
unsigned long page_link;
unsigned int offset;
dma_addr_t dma_address;
--
1.5.3.3
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