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SubjectRe: Purpose of the mm/slab.c changes

On 09-Sep-2001 Rik van Riel wrote:
> On Sun, 9 Sep 2001, Manfred Spraul wrote:
>
>> > it provides lifo allocations from both partial and unused slabs.
>>
>> lifo/fifo for unused slabs is obviously superflous - free is
>> free, it doesn't matter which free page is used first/last.
>
> Mind that the L2 cache is often as much as 10 times faster
> than RAM, so it would be nice if we had a good chance that
> the slab we just allocated would be in L2 cache.

Do You see it as a plus ?
The new allocated slab will be very likely written ( w/o regard about the old content )
and an L2 mapping will generate invalidate traffic.



- Davide

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