Messages in this thread | | | Date | Wed, 12 Nov 2014 20:53:37 -0600 | From | Seth Jennings <> | Subject | Re: [PATCH] mm/zswap: unregister zswap_cpu_notifier_block in cleanup procedure |
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On Sun, Nov 09, 2014 at 07:22:23PM +0800, Mahendran Ganesh wrote: > In zswap_cpu_init(), the code does not unregister *zswap_cpu_notifier_block* > during the cleanup procedure.
This is not needed. If we are in the cleanup code, we never got to the __register_cpu_notifier() call.
Thanks, Seth
> > This patch fix this issue. > > Signed-off-by: Mahendran Ganesh <opensource.ganesh@gmail.com> > --- > mm/zswap.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/zswap.c b/mm/zswap.c > index ea064c1..51a2c45 100644 > --- a/mm/zswap.c > +++ b/mm/zswap.c > @@ -404,6 +404,7 @@ static int zswap_cpu_init(void) > cleanup: > for_each_online_cpu(cpu) > __zswap_cpu_notifier(CPU_UP_CANCELED, cpu); > + __unregister_cpu_notifier(&zswap_cpu_notifier_block); > cpu_notifier_register_done(); > return -ENOMEM; > } > -- > 1.7.9.5 >
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