diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-03-16 14:53:06 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-26 14:33:37 -0300 |
| commit | ddfaed17a779ddb728e5534a87596950842d6b04 (patch) | |
| tree | 05e888548da7d3a161b34f3449d859ade8855178 /include/linux/hmm.h | |
| parent | 24cee8ab41eec51ea4cabd19c311719038084648 (diff) | |
mm/hmm: don't provide a stub for hmm_range_fault()
All callers of hmm_range_fault depend on CONFIG_HMM_MIRROR, so don't
bother with a stub.
Link: https://lore.kernel.org/r/20200316135310.899364-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Zi Yan <ziy@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 | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/include/linux/hmm.h b/include/linux/hmm.h index ddf9f7144c43..c102e359b59d 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -225,17 +225,10 @@ static inline uint64_t hmm_device_entry_from_pfn(const struct hmm_range *range, /* Don't fault in missing PTEs, just snapshot the current state. */ #define HMM_FAULT_SNAPSHOT (1 << 1) -#ifdef CONFIG_HMM_MIRROR /* * Please see Documentation/vm/hmm.rst for how to use the range API. */ long hmm_range_fault(struct hmm_range *range, unsigned int flags); -#else -static inline long hmm_range_fault(struct hmm_range *range, unsigned int flags) -{ - return -EOPNOTSUPP; -} -#endif /* * HMM_RANGE_DEFAULT_TIMEOUT - default timeout (ms) when waiting for a range |