pidhash is no longer required as all the functionalities are present in the idr tree associated with the namespace. nr can be looked up in the namespace by idr_get().
Signed-off-by: Gargi Sharma <[email protected]> --- kernel/pid.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/kernel/pid.c b/kernel/pid.c index ea22e89..761a0c2 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -247,15 +247,7 @@ void disable_pid_allocation(struct pid_namespace *ns) struct pid *find_pid_ns(int nr, struct pid_namespace *ns) { - struct upid *pnr; - - hlist_for_each_entry_rcu(pnr, - &pid_hash[pid_hashfn(nr, ns)], pid_chain) - if (pnr->nr == nr && pnr->ns == ns) - return container_of(pnr, struct pid, - numbers[ns->level]); - - return NULL; + return idr_get(&ns->idr, &nr); } EXPORT_SYMBOL_GPL(find_pid_ns); -- 2.7.4
