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Add CONFIG_DEBUG_SG sg validation

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Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.

Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jens Axboe 2007-10-22 20:01:06 +02:00
commit d6ec084200
25 changed files with 101 additions and 0 deletions
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3
include/asm-frv/scatterlist.h
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@ -22,6 +22,9 @@
* and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
*/
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset; /* for highmem, page offset */