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Subject: RE: [RFC PATCH v2] mempool: optimizations
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Date: Thu, 13 Aug 2026 16:30:24 +0200
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Thread-Topic: [RFC PATCH v2] mempool: optimizations
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References: <20260812090723.1771628-1-mb@smartsharesystems.com>
 <20260812120626.1772120-1-mb@smartsharesystems.com>
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From: =?iso-8859-1?Q?Morten_Br=F8rup?= <mb@smartsharesystems.com>
To: "Bruce Richardson" <bruce.richardson@intel.com>
Cc: <dev@dpdk.org>,
	"Andrew Rybchenko" <andrew.rybchenko@oktetlabs.ru>
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> From: Morten Br=F8rup
> Sent: Thursday, 13 August 2026 14.57
>=20
> > > +* mempool: The obsolete ``flushthresh`` field was removed from =
the
> > > ``rte_mempool_cache`` structure.  + * Removed deprecated symbols:
> > >
> > I'm not convinced about removing this field at this point. Based on
> > previous discussions around run-to-completion vs pipeline apps, and
> the
> > reported performance degradations due to recent cache changes, I
> could
> > see a scenario where it's useful to track a separate flushthreshold
> or
> > cache-keep threshold for a mempool.
>=20
> Removing the flushthresh field is part of the cleanup patch [1].
> I merged that patch into this one because I'm having problems with
> Depends-on.

The separate patch with the new optimizations only [2] that was merged =
into this patch (due to Depends-on problems) was marked as Superseded in =
Patchwork. I changed it back to New, so it is present for stand-alone =
review.

[1]: =
https://patchwork.dpdk.org/project/dpdk/patch/20260806154506.1532375-1-mb=
@smartsharesystems.com/
[2]: =
https://patchwork.dpdk.org/project/dpdk/patch/20260812090723.1771628-1-mb=
@smartsharesystems.com/