On Tue, Jun 24 2014, Gioh Kim <gioh.kim@xxxxxxx> 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@xxxxxxxxxx>--<xmpp:mina86@xxxxxxxxxx>--ooO--(_)--Ooo-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href