Re: [PATCH 3/5] staging: zcache2+ramster: enable zcache2 to be built/loaded as a module

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Wed, Oct 31, 2012 at 08:07:52AM -0700, Dan Magenheimer wrote:
> Allow zcache2 to be built/loaded as a module.  Note runtime dependency
> disallows loading if cleancache/frontswap lazy initialization patches
> are not present.  Zsmalloc support has not yet been merged into zcache2
> but, once merged, could now easily be selected via a module_param.
> 
> If built-in (not built as a module), the original mechanism of enabling via
> a kernel boot parameter is retained, but this should be considered deprecated.
> 
> Note that module unload is explicitly not yet supported.

I had an issue putting it on v3.7-rc3 with the Kconfig. Not sure why
as it looks exactly the same.

The patch looks good, however..

> @@ -1812,9 +1846,28 @@ static int __init zcache_init(void)
>  	}
>  	if (ramster_enabled)
>  		ramster_init(!disable_cleancache, !disable_frontswap,
> -				frontswap_has_exclusive_gets);
> +				frontswap_has_exclusive_gets,
> +				!disable_frontswap_selfshrink);
>  out:
>  	return ret;
>  }

.. ramster_init change is in the next patch. So it looks like the
patch order is a bit mismatched.

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