Messages in this thread | | | Date | Mon, 28 Dec 2009 20:43:14 +0200 | From | Pekka Enberg <> | Subject | Re: [PATCH 1/2] [mmotm] Add notifiers for various swap events |
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Hi Andi,
Andi Kleen wrote: >>> The first question to ask is if compressed swap is worth >>> it. Do you have benchmark numbers showing it to be an improvement? >>> Are there cases where it is slower than uncompressed swap? >>> >> http://code.google.com/p/compcache/wiki/Performance > > That should be included in the changelog of the patches.
Which patches? The driver is already in staging and there's a pointer to the home page in
linux/drivers/staging/ramzswap/ramzswap.txt
>> ramzswap is an optional module. > > I have some doubts on the wisdom of making swap algorithms modular. > Better compile them in. Then you don't need messy notifiers either.
What's so messy about them? The whole point of having the notifiers is to avoid CONFIG_RAMZSWAP in core kernel code...
Pekka
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