iommufd/iova_bitmap: Cache mapped length in iova_bitmap_map struct

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The amount of IOVA mapped will be used more often in iova_bitmap_set() in
preparation to dynamically iterate the bitmap. Cache said length to avoid
having to calculate it all the time.

Link: https://lore.kernel.org/r/20240627110105.62325-8-joao.m.martins@oracle.com
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Matt Ochs <mochs@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Joao Martins 2024-06-27 12:01:01 +01:00 • committed by Jason Gunthorpe

parent 792583656f

commit a84c690e10

1 changed files with 6 additions and 0 deletions

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drivers/iommu/iommufd/iova_bitmap.c

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