I think that what confused Andy (or at least me) is the documentation in Documentation/x86/pat.txt If it's possible, can you please update pat.txt as part of the patch? Thank you, Yigal On 04/09/2014 21:57, Toshi Kani wrote: > On Thu, 2014-09-04 at 11:57 -0700, Andy Lutomirski wrote: >> On Thu, Sep 4, 2014 at 11:35 AM, Toshi Kani <toshi.kani@xxxxxx> wrote: >>> This patch adds set_memory_wt(), set_memory_array_wt(), and >>> set_pages_array_wt() for setting range(s) of memory to WT. >>> >> Possibly dumb question: I thought that set_memory_xyz was only for >> RAM. Is that incorrect? > It works for non-RAM ranges as well. For instance, you can use > set_memory_xyz() to change cache attribute for a non-RAM range mapped by > ioremap_cache(). > > Thanks, > -Toshi > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>