On Mon, Feb 22, 2016 at 12:59:54PM +0900, Sergey Senozhatsky wrote: > On (02/22/16 11:34), Minchan Kim wrote: > [..] > > > I'll take a look at dynamic class page addition. > > > > Thanks, Sergey. > > > > Just a note: > > > > I am preparing zsmalloc migration now and almost done so I hope > > I can send it within two weeks. In there, I changed a lot of > > things in zsmalloc, page chaining, struct page fields usecases > > and locking scheme and so on. The zsmalloc fragment/migration > > is really painful now so we should solve it first so I hope > > you help to review that and let's go further dynamic chaining > > after that, please. :) > > oh, sure. > > so let's keep dynamic page allocation out of sight for now. > I'll do more tests with the increase ORDER and if it's OK then > hopefully we can just merge it, it's quite simple and shouldn't > interfere with any of the changes you are about to introduce. Thanks. And as another idea, we could try fallback approach that we couldn't meet nr_pages to minimize wastage so let's fallback to order-0 page like as-is. It will enhance, at least than now with small-amount of code compared to dynmaic page allocation. -- 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=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>