Re: [RFC] memory-hotplug: remove MIGRATE_ISOLATE from free_area->free_list

From: Michal Nazarewicz
Date: Tue Sep 11 2012 - 17:36:50 EST


On Tue, Sep 11 2012, Minchan Kim wrote:
> I saw two bug report about MIGRATE_ISOALTE type and NR_FREE_PAGES accounting
> mistmatch problem until now and I think we can meet more problems
> in the near future without solving it.
>
> Maybe, [1] would be a solution but I really don't like to add new branch
> in hotpath, even MIGRATE_ISOLATE used very rarely.
> so, my patch is inpired. If there is another good idea that avoid
> new branch in hotpath and solve the fundamental problem, I will drop this
> patch.
>
> [1] http://permalink.gmane.org/gmane.linux.kernel.mm/85199.

Well... I am still not convinced.

Than again you clearly have put some thought into it and, more
importantly, I'm not the one deciding whether this gets merged or
not, anyway. ;)

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Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, MichaÅ âmina86â Nazarewicz (o o)
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