Subject: Re: [PATCH 0/6] fs: Scalability of sockets/pipes allocation/deallocation on SMP

From: Eric Dumazet <dada1-fPLkHRcR87vqlBn2x/[email-masked]>
Date: Sat, 29 Nov 2008 09:07:07 +0100

Christoph Hellwig a écrit :
> On Fri, Nov 28, 2008 at 07:47:56PM +0100, Peter Zijlstra wrote:
>>> Wow, that's incredibly impressive! :-)
>> Yeah, we got a similar speedup on -rt by pushing those super-block files
>> list into per-cpu lists and doing crazy locking on them.
>>
>> Of course avoiding them all together, like done here is a nicer option
>> but is sadly not a possibility for regular files (until hch gets around
>> to removing the need for the list).
> 
> We should have finished this long ago, thanks for the reminder.
> 
> 

inode_in_use could be percpu, at least.

Or just zap it, since we never have to scan it.