From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH RFC sparc] Break up iommu from monolithic lock for the map to multiple pools/locks
Date: Fri, 19 Dec 2014 22:06:49 +0000 [thread overview]
Message-ID: <20141219220649.GO4294@oracle.com> (raw)
In-Reply-To: <20141219151616.GB25248@oracle.com>
On (12/19/14 15:56), David Miller wrote:
>
> That large_pool mechanism might help prevent the other pools from
> getting fragmented and thus lead to premature allocation failures.
I see. Looks like the scsi driver uses sun4v_pci to ask for 7-8
pages on occasion - I'll add the large_pool hooks in and test it
with scsi, using some absurd check like (npages > 5) for the purpose
of testing the large_pool code.
--Sowmini
prev parent reply other threads:[~2014-12-19 22:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-19 15:16 [PATCH RFC sparc] Break up iommu from monolithic lock for the map to multiple pools/locks Sowmini Varadhan
2014-12-19 17:26 ` David Miller
2014-12-19 17:29 ` Sowmini Varadhan
2014-12-19 18:31 ` Sowmini Varadhan
2014-12-19 19:57 ` David Miller
2014-12-19 20:06 ` Sowmini Varadhan
2014-12-19 20:24 ` David Miller
2014-12-19 20:44 ` Sowmini Varadhan
2014-12-19 20:56 ` David Miller
2014-12-19 22:06 ` Sowmini Varadhan [this message]
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