[PATCH v2 hmm 3/9] mm/hmm: remove unused code and tidy comments

From: Jason Gunthorpe Delete several functions that are never called, fix some desync between comments and structure content, toss the now out of date top of file header, and move one function only used by hmm.c into hmm.c Reviewed-by: Christoph Hellwig Signed-off-by: Jason Gunthorpe --- incl

[PATCH v2 hmm 3/9] mm/hmm: remove unused code and tidy comments

From: Jason Gunthorpe Delete several functions that are never called, fix some desync between comments and structure content, toss the now out of date top of file header, and move one function only used by hmm.c into hmm.c Signed-off-by: Jason Gunthorpe --- include/linux/hmm.h | 104 +-