On Fri, Jun 14, 2013 at 02:10:03PM -0400, Kamal Dasu wrote: > get_user_pages_fast() is missing cache flushes for MIPS platforms > with cache alias. Filesystem failures observed with DirectIO > operations due to missing flush_anon_page() that use page coloring > logic to work with cache aliases. This fix falls through to take > slow_irqon path that calls get_user_pages() that has required > logic for platforms where cpu_has_dc_aliases is true. A bit unsatisfying to always fall back to the slow variant yet I like the patch because of it's simplicity but I wonder if there's not a better solution. Ralf
