mm/hmm: replace the block argument to hmm_range_fault with a flags value

This allows easier expansion to other flags, and also makes the callers a little easier to read.

Christoph Hellwig committed 7 years ago

Commit 9a4903e1 parent d2e8d554 files · +48 −41Browse files

Showing the changes to include/linux (1 of 4 files). Show all

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@@ -407,12 +407,19 @@ int hmm_range_register(struct hmm_range *range, · 406 unmodified lines
407	407	unsigned long end,
408	408	unsigned page_shift);
409	409	void hmm_range_unregister(struct hmm_range *range);
	410	+
	411	+/*
	412	+ * Retry fault if non-blocking, drop mmap_sem and return -EAGAIN in that case.
	413	+ */
	414	+#define HMM_FAULT_ALLOW_RETRY (1 << 0)
	415	+
410	416	long hmm_range_snapshot(struct hmm_range *range);
411		−long hmm_range_fault(struct hmm_range *range, bool block);
	417	+long hmm_range_fault(struct hmm_range *range, unsigned int flags);
	418	+
412	419	long hmm_range_dma_map(struct hmm_range *range,
413	420	struct device *device,
414	421	dma_addr_t *daddrs,
415		− bool block);
	422	+ unsigned int flags);
416	423	long hmm_range_dma_unmap(struct hmm_range *range,
417	424	struct vm_area_struct *vma,
418	425	struct device *device,

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