mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf

->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to take
a vma and vmf parameter when the vma already resides in vmf. Remove the vma
parameter to simplify things.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
84 files changed