Re: dentry_cache using up all my zone normal memory -- also seen on 2.6.14-rc2

Christopher Friesen
2005-09-22T19:03:34Z

Dipankar Sarma wrote:

> This can happen if a task runs for too long inside the kernel
> holding up context switches or usermode code running on that
> cpu. The fact that RCU grace period eventually happens
> and the dentries are freed means that something intermittently
> holds up RCU. Is this 2.6.10 vanilla or does it have other
> patches in there ?

The 2.6.10 was modified. All the results with the dcache debugging
patch applied were from vanilla 2.6.14-rc2.

It's perfectly repeatable as well...every single time I run "rename14"
the OOM killer kicks in.

Chris