From ddfaed17a779ddb728e5534a87596950842d6b04 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 16 Mar 2020 14:53:06 +0100 Subject: 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 Reviewed-by: Zi Yan Reviewed-by: Jason Gunthorpe Signed-off-by: Jason Gunthorpe --- include/linux/hmm.h | 7 ------- 1 file changed, 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 -- cgit v1.2.3-58-ga151