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| author | Christoph Hellwig <hch@lst.de> | 2020-03-16 14:53:07 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-26 14:33:37 -0300 |
| commit | 96268163f9c9443e7f73a202253f68566f93dc79 (patch) | |
| tree | bb4b5213de5449e2e8803393f26d60ec7a577020 /include/linux/hmm.h | |
| parent | ddfaed17a779ddb728e5534a87596950842d6b04 (diff) | |
| download | lwn-96268163f9c9443e7f73a202253f68566f93dc79.tar.gz lwn-96268163f9c9443e7f73a202253f68566f93dc79.zip | |
mm/hmm: remove the unused HMM_FAULT_ALLOW_RETRY flag
The HMM_FAULT_ALLOW_RETRY isn't used anywhere in the tree. Remove it and
the weird -EAGAIN handling where handle_mm_fault() drops the mmap_sem.
Link: https://lore.kernel.org/r/20200316135310.899364-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
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 | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/hmm.h b/include/linux/hmm.h index c102e359b59d..4bf8d6997b12 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -217,11 +217,6 @@ static inline uint64_t hmm_device_entry_from_pfn(const struct hmm_range *range, range->flags[HMM_PFN_VALID]; } -/* - * Retry fault if non-blocking, drop mmap_sem and return -EAGAIN in that case. - */ -#define HMM_FAULT_ALLOW_RETRY (1 << 0) - /* Don't fault in missing PTEs, just snapshot the current state. */ #define HMM_FAULT_SNAPSHOT (1 << 1) |