Messages in this thread |  | | Date | Wed, 6 Jul 2022 13:31:08 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH v2] iommu/iova: change IOVA_MAG_SIZE to 127 to save memory |
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On Sun, Jul 03, 2022 at 07:44:50PM +0800, Feng Tang wrote: > kmalloc will round up the request size to power of 2, and current > iova_magazine's size is 1032 (1024+8) bytes, so each instance > allocated will get 2048 bytes from kmalloc, causing around 1KB > waste. > > Change IOVA_MAG_SIZE from 128 to 127 to make size of 'iova_magazine' > 1024 bytes so that no memory will be wasted. > > Signed-off-by: Feng Tang <feng.tang@intel.com> > Acked-by: Robin Murphy <robin.murphy@arm.com>
Applied, thanks.
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