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| author |   Leon Romanovsky <leonro@nvidia.com> | 2025-04-28 12:22:16 +0300 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2025-05-12 06:06:37 -0400 |
| commit | 285e871884ff3dc31c0c2c1a87f0018481bc8471 (patch) | |
| tree | 933539323da5d93a03b0ed5765494ad4955bce10 /scripts/lib/kdoc/kdoc_files.py | |
| parent | Provide a new two step DMA mapping API (diff) | |
| download | linux-rng-285e871884ff3dc31c0c2c1a87f0018481bc8471.tar.xz linux-rng-285e871884ff3dc31c0c2c1a87f0018481bc8471.zip | |
mm/hmm: let users to tag specific PFN with DMA mapped bit
Introduce new sticky flag (HMM_PFN_DMA_MAPPED), which isn't overwritten
by HMM range fault. Such flag allows users to tag specific PFNs with
information if this specific PFN was already DMA mapped.
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
0 files changed, 0 insertions, 0 deletions