> - I don't think it's necessarily "system stability". The problem with > large amounts of highmem ends up being that we end up using up almost > all of the lowmem just to *track* the huge amount of highmem, and then > we have so little lowmem that we suck at performance and have various > random problems. So it's not just "system stability", it's more fluid > than that.
FYI 32-bit Windows already limits to 16GB when 3G/1G split is used for a similar reason. (They default to 2G/2G split.) Yuhong Bao -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/