Messages in this thread | | | Date | Thu, 16 Jul 2015 18:51:39 +0100 | From | Mel Gorman <> | Subject | Re: [mminit] [ INFO: possible recursive locking detected ] |
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On Thu, Jul 16, 2015 at 08:13:38PM +0300, Konstantin Khlebnikov wrote: > > @@ -1187,14 +1195,14 @@ void __init page_alloc_init_late(void) > > {pgdat_init_rwsempgdat_init_rwsempgdat_init_rwsem > > int nid; > > > > + /* There will be num_node_state(N_MEMORY) threads */ > > + atomic_set(&pgdat_init_n_undone, num_node_state(N_MEMORY)); > > for_each_node_state(nid, N_MEMORY) { > > - down_read(&pgdat_init_rwsem); > > Rw-sem have special "non-owner" mode for keeping lockdep away. > This should be enough: >
I think in this case that the completions look nicer though so I think I'll keep them.
-- Mel Gorman SUSE Labs
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