Messages in this thread Patch in this message | | | Date | Sat, 16 Feb 2008 18:09:36 +0900 | Subject | [PATCH] iommu-helper: segment boundary limit should be a power of 2 | From | FUJITA Tomonori <> |
| |
The segment boundary limit should be a power of 2 so let's make it clear.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> --- lib/iommu-helper.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c index 495575a..de0eced 100644 --- a/lib/iommu-helper.c +++ b/lib/iommu-helper.c @@ -54,6 +54,8 @@ unsigned long iommu_area_alloc(unsigned long *map, unsigned long size, unsigned long align_mask) { unsigned long index; + + BUG_ON(!is_power_of_2(boundary_size)); again: index = find_next_zero_area(map, size, start, nr, align_mask); if (index != -1) { -- 1.5.3.7
| |