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Groups > linux.kernel > #1697012
| From | Heiko Carstens <heiko.carstens@de.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() |
| Date | 2017-07-26 13:50 +0200 |
| Message-ID | <u7sZc-8do-15@gated-at.bofh.it> (permalink) |
| References | <u7sw9-83B-5@gated-at.bofh.it> <u7sPw-89V-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jul 26, 2017 at 01:31:12PM +0200, Michal Hocko wrote:
> On Wed 26-07-17 13:17:38, Heiko Carstens wrote:
> [...]
> > diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> > index 6d30e914afb6..fc32aa81f359 100644
> > --- a/mm/page_alloc.c
> > +++ b/mm/page_alloc.c
> > @@ -4891,9 +4891,11 @@ int numa_zonelist_order_handler(struct ctl_table *table, int write,
> > NUMA_ZONELIST_ORDER_LEN);
> > user_zonelist_order = oldval;
> > } else if (oldval != user_zonelist_order) {
> > + mem_hotplug_begin();
> > mutex_lock(&zonelists_mutex);
> > build_all_zonelists(NULL, NULL);
> > mutex_unlock(&zonelists_mutex);
> > + mem_hotplug_done();
> > }
> > }
> > out:
>
> Please note that this code has been removed by
> http://lkml.kernel.org/r/20170721143915.14161-2-mhocko@kernel.org. It
> will get to linux-next as soon as Andrew releases a new version mmotm
> tree.
We still would need something for 4.13, no?
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[PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-07-26 13:20 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Michal Hocko <mhocko@kernel.org> - 2017-07-26 13:40 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-07-26 13:50 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Michal Hocko <mhocko@kernel.org> - 2017-07-26 14:20 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Andrew Morton <akpm@linux-foundation.org> - 2017-07-27 00:30 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Michal Hocko <mhocko@kernel.org> - 2017-07-27 09:00 +0200
Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() Thomas Gleixner <tglx@linutronix.de> - 2017-07-26 15:40 +0200
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