On Wed, Oct 29, 2008 at 02:02:08PM +0100, Heinz Mauelshagen wrote:
> This patch adds checks to the dirty log creation for region size to be
> larger than 2 sectors and to be a power of 2.
Interesting we didn't validate that, but the userspace validation is
tighter.
if (lp->region_size % (pagesize >> SECTOR_SHIFT)) {
log_error("Region size (%" PRIu32 ") must be a multiple of "
"machine memory page size (%d)",
lp->region_size, pagesize >> SECTOR_SHIFT);
The validation should be consistent between userspace and kernel.
Alasdair
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