Re: [PATCH 09/16] sparc64: use the generic get_user_pages_fast code

[Christoph Hellwig]

There isn't really a way to use an arch-specific get_user_pages_fast
in mainline, you'd need to revert the whole series.  As a relatively
quick workaround you can just remove the

        select HAVE_FAST_GUP if SPARC64

line from arch/sparc/Kconfig