Re: [RFC][PATCH 1/6] Storing ipcs into IDRs

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Andi Kleen wrote:
[email protected] 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


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