Messages in this thread | | | Date | Wed, 23 Jan 2013 13:47:36 -0500 (EST) | Subject | Re: [PATCH 1/2] tuntap: reduce memory using of queues | From | David Miller <> |
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From: Jason Wang <jasowang@redhat.com> Date: Wed, 23 Jan 2013 21:59:12 +0800
> A MAX_TAP_QUEUES(1024) queues of tuntap device is always allocated > unconditionally even userspace only requires a single queue device. This is > unnecessary and will lead a very high order of page allocation when has a high > possibility to fail. Solving this by creating a one queue net device when > userspace only use one queue and also reduce MAX_TAP_QUEUES to > DEFAULT_MAX_NUM_RSS_QUEUES which can guarantee the success of > the allocation. > > Reported-by: Dirk Hohndel <dirk@hohndel.org> > Cc: Eric Dumazet <eric.dumazet@gmail.com> > Cc: David Woodhouse <dwmw2@infradead.org> > Cc: Michael S. Tsirkin <mst@redhat.com> > Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied.
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