Messages in this thread | | | Date | Mon, 03 Sep 2007 12:16:31 +0200 | From | Nadia Derbey <> | Subject | Re: [RFC][PATCH 1/6] Storing ipcs into IDRs |
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Andi Kleen wrote: > Nadia.Derbey@bull.net writes: > > >>This patch introduces ipcs storage into IDRs. The main changes are: >> . This ipc_ids structure is changed: the entries array is changed into a >> root idr structure. >> . The grow_ary() routine is removed: it is not needed anymore when adding >> an ipc structure, since we are now using the IDR facility. >> . The ipc_rmid() routine interface is changed: >> . there is no need for this routine to return the pointer passed in as >> argument: it is now declared as a void >> . since the id is now part of the kern_ipc_perm structure, no need to >> have it as an argument to the routine >> > > > Thanks for doing this work. It was long overdue. > > Do you have any data how this changes memory consumption with > many objects? >
No. Will try to send you this as soon as I've done some measurements.
Regards, Nadia
-- =============================================================== Name.......... Nadia DERBEY Organization.. BULL/DT/OSwR&D/Linux --------------------------------------------------------------- Email......... mailto:Nadia.Derbey@bull.net Address....... BULL, B.P. 208, 38432 Echirolles Cedex, France Tel........... (33) 76 29 77 62 [Internal Bull: (229) 77 62] Telex,Fax..... 980648 F - (33) 76 29 76 00 Internal Bull. Mail: FREC-B1405 ===============================================================
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