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| author |   Christoph Hellwig <hch@lst.de> | 2019-07-25 17:56:47 -0700 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-07-26 11:10:53 -0300 |
| commit | d45d464b118f428229d91769c8a3cc1e2e0bb4d5 (patch) | |
| tree | 2cc3f6a9435790fb3038c840e77dea66ffb45323 /include/linux/hmm.h | |
| parent | mm/hmm: replace the block argument to hmm_range_fault with a flags value (diff) | |
| download | linux-dev-d45d464b118f428229d91769c8a3cc1e2e0bb4d5.tar.xz linux-dev-d45d464b118f428229d91769c8a3cc1e2e0bb4d5.zip | |
mm/hmm: merge hmm_range_snapshot into hmm_range_fault
Add a HMM_FAULT_SNAPSHOT flag so that hmm_range_snapshot can be merged
into the almost identical hmm_range_fault function.
Link: https://lore.kernel.org/r/20190726005650.2566-5-rcampbell@nvidia.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/linux/hmm.h')
| -rw-r--r-- | include/linux/hmm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 89a141060e5b..90dc5944b1bc 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -413,7 +413,9 @@ void hmm_range_unregister(struct hmm_range *range); */ #define HMM_FAULT_ALLOW_RETRY (1 << 0) -long hmm_range_snapshot(struct hmm_range *range); +/* Don't fault in missing PTEs, just snapshot the current state. */ +#define HMM_FAULT_SNAPSHOT (1 << 1) + long hmm_range_fault(struct hmm_range *range, unsigned int flags); long hmm_range_dma_map(struct hmm_range *range, |