tree e3c1397dc898dbd7c685c6a052425e7346eb79d1
parent d2b20b11547cefc89d6c81937e81afaf3c62808b
author Nadia Derbey <Nadia.Derbey@bull.net> 1192776048 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1192820024 -0700

ipc: store ipcs into IDRs

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

Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>