On Thu, Nov 23, 2000 at 06:54:48PM +0000, Tigran Aivazian wrote:
> Hi,
>
> The sizeof(struct tty_struct) = 3084. Why don't we have a private slab
> cache for it instead of getting a page and wasting some precious bytes at
> the end? Potentially, we can have thousands of tty_struct allocated
> (assuming we have thousands of concurrent users)...
A slab cache could only save significant memory if it allocated in
order 2 slabs (order 1 would waste exactly the same memory because
you only had a ~2K gap) Order 2 is nasty and unreliable.
-Andi
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