William Lee Irwin III <[EMAIL PROTECTED]> writes: > On Thu, Apr 26, 2007 at 05:42:17PM +1000, Nick Piggin wrote: >> Actually, I don't know why people are so excited about being able to >> use higher order allocations (I would rather be more excited about >> never having to use them). But for those few places that really need >> it, I'd rather see them use a virtually mapped kernel with proper >> defragmentation rather than putting hacks all through the core code. > > In memory as on disk, contiguity matters a lot for performance.
Not nearly so much though. In memory you don't have seeks to avoid. On disks avoiding seeks is everything. Eric - 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/