linux-kernel - Re: [PATCHv2 3/9] staging: zsmalloc: add page alloc/free callbacks

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Message-ID: <CAPkvG_fFoc3ExetwxwN-vNMOOmkWgCYmh+shj3wFvjYB5i6YsQ@mail.gmail.com>
Date:	Thu, 24 Jan 2013 16:11:19 -0800
From:	Nitin Gupta <ngupta@...are.org>
To:	Seth Jennings <sjenning@...ux.vnet.ibm.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan@...nel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>,
	Jenifer Hopper <jhopper@...ibm.com>,
	Mel Gorman <mgorman@...e.de>,
	Johannes Weiner <jweiner@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCHv2 3/9] staging: zsmalloc: add page alloc/free callbacks

On Mon, Jan 7, 2013 at 12:24 PM, Seth Jennings
<sjenning@...ux.vnet.ibm.com> wrote:
> This patch allows users of zsmalloc to register the
> allocation and free routines used by zsmalloc to obtain
> more pages for the memory pool.  This allows the user
> more control over zsmalloc pool policy and behavior.
>
> If the user does not wish to control this, alloc_page() and
> __free_page() are used by default.
>
> Signed-off-by: Seth Jennings <sjenning@...ux.vnet.ibm.com>
> ---
>  drivers/staging/zcache/zcache-main.c     |    2 +-
>  drivers/staging/zram/zram_drv.c          |    2 +-
>  drivers/staging/zsmalloc/zsmalloc-main.c |   43 ++++++++++++++++++++++--------
>  drivers/staging/zsmalloc/zsmalloc.h      |    8 +++++-
>  4 files changed, 41 insertions(+), 14 deletions(-)
>

Some documentation about zs_ops in zs_create_pool() would be useful.
Otherwise, looks good to me.

Acked-by: Nitin Gupta <ngupta@...are.org>
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