From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Tziporet Koren <tziporet-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: mode connected infiniband
Date: Tue, 19 Jan 2010 17:10:37 -0800 [thread overview]
Message-ID: <adamy0937jm.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <20100118025626.GG9059-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> (Jason Gunthorpe's message of "Sun, 17 Jan 2010 19:56:26 -0700")
> > IPoIB CM is very stable now and has a better performance
>
> The last time I tried to use it the kernel began reporting lots of
> OOM events (2.6.30 stock). I thought this was well known because CM
> mode uses high order allocations??
And in any case changing the kernel config option default just means
that the code gets built, but we start in datagram mode by default
anyway. So it just means people can enable it at runtime without having
to rebuild the kernel.
- R.
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prev parent reply other threads:[~2010-01-20 1:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-14 8:11 mode connected infiniband Nico
[not found] ` <8fd3bb681001140011k5ec9492eg19b59b110e45a2b5-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-01-14 16:06 ` Frank Leers
2010-01-14 17:22 ` Roland Dreier
[not found] ` <adabpgwmwiw.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-01-16 13:42 ` Nico
2010-01-17 8:03 ` Tziporet Koren
[not found] ` <4B52C456.5030501-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-01-18 2:56 ` Jason Gunthorpe
[not found] ` <20100118025626.GG9059-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-01-20 1:09 ` Roland Dreier
[not found] ` <ab66a8181001200002n120af0e7m3733b42a945dc06b@mail.gmail.com>
[not found] ` <ab66a8181001200002n120af0e7m3733b42a945dc06b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-01-20 19:21 ` Roland Dreier
[not found] ` <adar5pl37ky.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-01-20 19:29 ` Jason Gunthorpe
2010-01-20 1:10 ` Roland Dreier [this message]
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