Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [00/17] Large Blocksize Support V3 | Date | Thu, 26 Apr 2007 12:21:24 -0600 |
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William Lee Irwin III <wli@holomorphy.com> 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.
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