Warning in block code
Benjamin Herrenschmidt
benh at kernel.crashing.org
Wed Jun 17 11:39:43 EST 2009
Hoy !
I see that:
block/blk-settings.c: In function ‘blk_set_default_limits’:
block/blk-settings.c:115: warning: large integer implicitly truncated to unsigned type
Comes from
lim->bounce_pfn = BLK_BOUNCE_ANY;
With BLK_BOUNCE_ANY being a
include/linux/blkdev.h:#define BLK_BOUNCE_ANY (-1ULL)
And struct queue_limit.bounce_pfn is:
unsigned long bounce_pfn;
(The warning is fishy as both quantities are unsigned, but there -is- truncation
happening here).
Cheers,
Ben.
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