linux-kernel - Re: [RFC][PATCH] mm: make zbud znd zpool to depend on zswap

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Date:	Tue, 15 Sep 2015 15:10:41 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Dan Streetman <ddstreet@...e.org>
Cc:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Seth Jennings <sjennings@...iantweb.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux-MM <linux-mm@...ck.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [RFC][PATCH] mm: make zbud znd zpool to depend on zswap

On (09/15/15 02:06), Dan Streetman wrote:
> > There are no zbud and zpool users besides zswap so enabling
> > (and building) CONFIG_ZPOOL and CONFIG_ZBUD make sense only
> > when CONFIG_ZSWAP is enabled. In other words, make those
> > options to depend on CONFIG_ZSWAP.
> 
> Let's wait on this until the patches to add zpool support to zram go
> one way or the other.  If they don't make it in, I'm fine with this,
> and even moving the zpool.h header into mm/ instead of include/linux/
> 

agree.

	-ss

> >
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > ---
> >  mm/Kconfig | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/mm/Kconfig b/mm/Kconfig
> > index 3455a8d..eb48422 100644
> > --- a/mm/Kconfig
> > +++ b/mm/Kconfig
> > @@ -563,6 +563,7 @@ config ZSWAP
> >
> >  config ZPOOL
> >         tristate "Common API for compressed memory storage"
> > +       depends on ZSWAP
> >         default n
> >         help
> >           Compressed memory storage API.  This allows using either zbud or
> > @@ -570,6 +571,7 @@ config ZPOOL
> >
> >  config ZBUD
> >         tristate "Low density storage for compressed pages"
> > +       depends on ZSWAP
> >         default n
> >         help
> >           A special purpose allocator for storing compressed pages.
> > --
> > 2.5.1
> >
> 
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