save-place-save-skipped

save-place-save-skipped is a variable defined in `saveplace.el'.
Its value is

t

Documentation:
If non-nil, remember files matching `save-place-skip-check-regexp'.

When filtering `save-place-alist' for unreadable files, some will not
be checked, based on said regexp, and instead saved or forgotten based
on this flag.

You can customize this variable.