Messages in this thread | | | From | Michal Nazarewicz <> | Subject | Re: [RFC] CMA page migration failure due to buffers on bh_lru | Date | Thu, 26 Jun 2014 17:57:45 +0200 |
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On Tue, Jun 24 2014, Gioh Kim <gioh.kim@lge.com> wrote: > Hello, > > I am trying to apply CMA feature for my platform. > My kernel version, 3.10.x, is not allocating memory from CMA area so that I applied > a Joonsoo Kim's patch (https://lkml.org/lkml/2014/5/28/64). > Now my platform can use CMA area effectively. > > But I have many failures to allocate memory from CMA area. > I found the same situation to Laura Abbott's patch descrbing, > https://lkml.org/lkml/2012/8/31/313, > that releases buffer-heads attached at CPU's LRU list. > > If Joonsoo's patch is applied and/or CMA feature is applied more and more, > buffer-heads problem is going to be serious definitely. > > Please look into the Laura's patch again. > I think it must be applied with Joonsoo's patch.
Just to make sure I understood you correctly, you're saying Laura's patch at <https://lkml.org/lkml/2012/8/31/313> fixes your issue?
-- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Michał “mina86” Nazarewicz (o o) ooo +--<mpn@google.com>--<xmpp:mina86@jabber.org>--ooO--(_)--Ooo-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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