Mbuf reference count
Rui Paulo
rpaulo at FreeBSD.org
Mon Jan 13 03:22:50 UTC 2014
On 2 Jan 2014, at 06:26, Venkata Duvvuru <VenkatKumar.Duvvuru at Emulex.Com> wrote:
> Hi,
> Is there a way to increase the reference count of mbuf? I see there is a ref count for external storage (m_ext) but couldn't find one for !M_EXT case.
The idea was to reference count the mbufs with external storage so that m_copym() would avoid copying. Why do you need to reference count an mbuf? mbufs are usually short lived and I haven't encountered any situation yet where reference counting an mbuf would help.
--
Rui Paulo
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