On Mon, 2017-09-25 at 08:56 -0400, Gargi Sharma wrote: > 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 <gs051...@gmail.com> > --- > 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);
Does this work if you call idr_find instead of idr_get? Then patch 2/4 would not be needed. -- All Rights Reversed.
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