Hi Alexander, That was exactly what I was looking for, thanks!
Med venlig hilsen / kind regards - Morten Brørup > -----Original Message----- > From: Alexander Pshenichnikov [mailto:aps...@gmail.com] > Sent: Friday, September 13, 2019 9:38 PM > To: Morten Brørup > Cc: Anatoly Burakov; Olivier Matz; Andrew Rybchenko; dev@dpdk.org > Subject: Re: [dpdk-dev] The type string in the malloc library is unused > > Hi Morten, > > Look rte_memzone_reserve/rte_memzone_lookup > > > > On Fri, Sep 13, 2019 at 4:32 PM Morten Brørup <m...@smartsharesystems.com> > wrote: > > > > Hi Anatoly, > > > > > > > > The functions in the DPDK malloc library takes a "type" parameter (a > string, supposedly for debug purposes), but the underlying malloc_heap > functions (which take the same string parameter) don't store or use this > string for anything. > > > > > > > > Is the intention to implement this sometime in the future, or should it > be considered for removal? > > > > > > > > I was originally looking for a function for my primary process to > allocate a block of named memory in the huge-page area, so my secondary > process could look it up and use it. And I would simply use a unique type > string for this, and add an rte_malloc_lookup function. However, that > obviously doesn't work when the type parameter is not used during > allocation. > > > > > > > > > > > > The simplest workaround I can come up with is using a named mempool with > a single element, where this element is my memory block. I get an element > from this mempool to find the address of my memory block, store the > address, and put the element back in the mempool, so the secondary process > can get the address the same way, i.e. by getting and putting the element > back into the mempool while storing the element's address underway. > > > > > > > > Any better ideas? > > > > > > > > > > > > Med venlig hilsen / kind regards > > > > > > > > Morten Brørup > > > > CTO > > > > > > > > > > > > SmartShare Systems A/S > > > > Tonsbakken 16-18 > > > > DK-2740 Skovlunde > > > > Denmark > > > > > > > > Office +45 70 20 00 93 > > > > Direct +45 89 93 50 22 > > > > Mobile +45 25 40 82 12 > > > > > > > > m...@smartsharesystems.com <mailto:m...@smartsharesystems.com> > > > > www.smartsharesystems.com <https://www.smartsharesystems.com/> > > > > > >
