On Mon, Oct 22, 2012 at 7:21 AM, Konrad Rzeszutek Wilk <[email protected]> wrote: > On Thu, Oct 18, 2012 at 01:50:12PM -0700, Yinghai Lu wrote: >> We could map small range in the middle of big range at first, so should use >> big page size at first to avoid using small page size to break down page >> table. >> >> Only can set big page bit when that range has ram area around it. > > The code looks good. > > I would alter the description to say: > > (Describe the problem) > > "We are wasting entries in the page-table b/c are not taking advantage > of the fact that adjoining ranges could be of the same type and > coalescing them together. Instead we end up using the small size type." > > (Explain your patch). > > "We fix this by iterating over the ranges, detecting whether the > ranges that are next to each other are of the same type - and if so > set them to our type."
I think my commit change log is clear enough, and will not update it. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
