Re: What's the NFS OOM problem?

From: Neil Brown
Date: Thu Aug 17 2006 - 01:02:09 EST

On Tuesday August 15, rheflin@xxxxxxxxx wrote:
> I have noticed on SLES kernels that when the dirty_*ratios turned down it
> still uses alot more memory than it should work writeback buffers, it makes
> me think that with the default setting of 40% that it for some reason
> may be using all of memory and deadlocking. It does not seem like an
> NFS only issue, as I believe I have duplicated it with a fast lock
> setup.

We seem to have a little patch in SuSE kernels that might be making
the problem worse .... though I presume it was introduced for a
reason. I haven't managed to track what that reason was yet.

What is "a fast lock setup"?? I don't understand.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at