From: Romain Francoise <romain@orebokech.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Michael Mueller <mimu@linux.vnet.ibm.com>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
borntraeger@de.ibm.com, cornelia.huck@de.ibm.com,
ddongch@cn.ibm.com
Subject: Re: [PATCH v1] vhost: avoid large order allocations
Date: Tue, 13 May 2014 16:29:58 +0200 [thread overview]
Message-ID: <87tx8tg3a1.fsf@kima.orebokech.com> (raw)
In-Reply-To: <20140513084049.GE29442@redhat.com> (Michael S. Tsirkin's message of "Tue, 13 May 2014 11:40:49 +0300")
"Michael S. Tsirkin" <mst@redhat.com> writes:
> Please dont' do this, extra indirection hurts performance.
> Instead, please change vhost_net_open and scsi to allocate the whole
> structure with vmalloc if kmalloc fails, along the lines of
> 74d332c13b2148ae934ea94dac1745ae92efe8e5
Back in January 2013, you didn't seem to think it was a good idea:
https://lkml.org/lkml/2013/1/23/492
next prev parent reply other threads:[~2014-05-13 14:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-13 8:35 [PATCH v1] vhost: avoid large order allocations Michael Mueller
2014-05-13 8:35 ` Michael Mueller
2014-05-13 8:40 ` Michael S. Tsirkin
2014-05-13 8:57 ` Michael Mueller
2014-05-13 14:29 ` Romain Francoise [this message]
2014-05-13 15:07 ` Michael Mueller
2014-05-13 15:15 ` Michael S. Tsirkin
2014-05-14 8:11 ` Michael Mueller
2014-06-13 11:56 ` Michael Mueller
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