zfs + uma

[Andriy Gapon]

on 19/09/2010 01:16 Jeff Roberson said the following:
> Additionally we could make a last ditch flush mechanism that runs on each cpu in

How would you qualify a "last ditch" trigger?
Would this be called from "standard" vm_lowmem look or would there be some extra
check for even more severe memory condition?

> turn and flushes some or all of the buckets in per-cpu caches. Presently that is
> not done due to synchronization issues.  It can't be done from a central place. 
> It could be done with a callout mechanism or a for loop that binds to each core
> in succession.

-- 
Andriy Gapon