Messages in this thread | | | Subject | Re: [RFC PATCH v1 3/5] KVM: Add paravirt kvm_flush_tlb_others | From | Peter Zijlstra <> | Date | Tue, 01 May 2012 18:20:43 +0200 |
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On Tue, 2012-05-01 at 18:18 +0200, Peter Zijlstra wrote:
> --- > mm/oom_kill.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/oom_kill.c b/mm/oom_kill.c > index 46bf2ed5..244a371 100644 > --- a/mm/oom_kill.c > +++ b/mm/oom_kill.c > @@ -607,6 +607,9 @@ int try_set_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_mask) > struct zone *zone; > int ret = 1; > > + synchronize_sched(); > + synchronize_rcu(); > + > spin_lock(&zone_scan_lock); > for_each_zone_zonelist(zone, z, zonelist, gfp_zone(gfp_mask)) { > if (zone_is_oom_locked(zone)) { >
Hmm I guess that should be rcu_barrier_sched(); rcu_barrier(); instead of sync.
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