Re: [PATCHv11 3/4] zswap: add to mm/

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On 05/14/2013 04:18 PM, Dan Magenheimer wrote:

It's unfortunate that my proposed topic for LSFMM was pre-empted
by the zsmalloc vs zbud discussion and zswap vs zcache, because
I think the real challenge of zswap (or zcache) and the value to
distros and end users requires us to get this right BEFORE users
start filing bugs about performance weirdness.  After which most
users and distros will simply default to 0% (i.e. turn zswap off)
because zswap unpredictably sometimes sucks.

I'm not sure we can get it right before people actually start
using it for real world setups, instead of just running benchmarks
on it.

The sooner we get the code out there, where users can play with
it (even if it is disabled by default and needs a sysfs or
sysctl config option to enable it), the sooner we will know how
well it works, and what needs to be changed.

--
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