linux-kernel - Re: [RFC][PATCH v2 3/3] mm/zsmalloc: increase ZS_MAX_PAGES_PER

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Message-ID: <20160222035954.GC11961@swordfish>
Date:	Mon, 22 Feb 2016 12:59:54 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <js1304@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH v2 3/3] mm/zsmalloc: increase ZS_MAX_PAGES_PER_ZSPAGE

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.

	-ss