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Groups > linux.kernel > #1697002
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] mm: take memory hotplug lock within numa_zonelist_order_handler() |
| Date | 2017-07-26 13:40 +0200 |
| Message-ID | <u7sPw-89V-7@gated-at.bofh.it> (permalink) |
| References | <u7sw9-83B-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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.
--
Michal Hocko
SUSE Labs
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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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