[HEADS-UP] mbuma is in the tree
glebius at cell.sick.ru
Thu Jun 3 09:46:52 GMT 2004
On Wed, Jun 02, 2004 at 10:56:52AM -0700, Sam Leffler wrote:
S> > are you going to convert mbuf tag allocator to UMA? Now
S> > tags are allocated with malloc(). AFAIK, tags are used heavily in pf,
S> > and forthcoming ALTQ. Moving to UMA should affect their performance
S> > positively.
S> You probably meant you wanted to use a UMA zone. m_tag's can already be
What about using its own UMA zone for each m_tag consumer: pf, ALTQ, divert,
vlan? Each module allocates its zone on startup, and later a reference to
this zone is passed to m_tag_alloc().
S> allocated using this mechanism. I did it once for vlan tags but botched it
S> (didn't handle module references properly) so backed it. But there's no
S> reason someone cannot redo it or convert other heavily used fixed size tags
S> to use a zone.
Have you saved your efforts? May I look at them?
Totus tuus, Glebius.
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