Re: [PATCH v2] reduce NFS stack usage

[Jeff Garzik]

Steve Dickson wrote:
> Hey Jeff,
>
> Question:
> Why are only nfs_lookup_revalidate() and nfs_readdir()
> a problem and not the other 4 ops (like nfs_lookup())?
> Is the case only those two showed up in the stack overflow
> oops trace?

You guessed it...  I'm sure other routines are problematic, but those 
were two that showed up in traces.


> Also, not like there much choice in matter, but I wonder what
> type of performance hit (if any) there will be by making
> these routines call kmalloc()... lookups and readdirs are
> pretty popular ops...

Sure.  I wasn't suggesting by any means my patch is the ultimate 
solution :)  Creating a slab cache would be easy enough...

	Jeff




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