Yes. Cache bits are in the page tables, and it would be idiotic to
manipulate the cache bits on a 1MB granularity over the kernel
direct mapped space.
> furthermore i don't see why this could not be interrupt safe.
GFP_KERNEL in the page table allocation functions mainly. We've been
around and around this recently on this mailing list, so I'm not going
to say anything further. I don't want another long discussion about
this subject taking my time away from doing real work on ARM. If you're
really interested in the outcome, please examine the lkml archives.
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/