Andrew Morton wrote:
o other arch would define CONFIG_HAVE_GET_USER_PAGES_FAST.


That's presently true in Linus mainline.  The powerpc implementation is
in -mm, but apprarently needs a bit more work.

Wouldn't a generic get_user_pages_fast() implementation which calls get_user_pages_slow() if the arch hadn't implemented the former reduce a lot of #ifdefs in call sites?

--
error compiling committee.c: too many arguments to function

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