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From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Nitin Gupta <ngupta@vflare.org>,
	Konrad Rzeszutek Wilk <konrad@darnok.org>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Dan Magenheimer <dan.magenheimer@oracle.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] zsmalloc: promote to lib/
Date: Wed, 26 Sep 2012 17:42:54 +0800	[thread overview]
Message-ID: <5062CE1E.3010203@cn.fujitsu.com> (raw)
In-Reply-To: <1348649419-16494-2-git-send-email-minchan@kernel.org>

On 09/26/2012 04:50 PM, Minchan Kim wrote:
> This patch promotes the slab-based zsmalloc memory allocator
> from the staging tree to lib/
> 
> zcache/zram depends on this allocator for storing compressed RAM pages
> in an efficient way under system wide memory pressure where
> high-order (greater than 0) page allocation are very likely to
> fail.
> 
> For more information on zsmalloc and its internals, read the
> documentation at the top of the zsmalloc.c file.
> 
> Signed-off-by: Minchan Kim <minchan@kernel.org>
> ---
>  drivers/staging/Kconfig                  |    2 -
>  drivers/staging/Makefile                 |    1 -
>  drivers/staging/zcache/zcache-main.c     |    4 +-
>  drivers/staging/zram/zram_drv.h          |    3 +-
>  drivers/staging/zsmalloc/Kconfig         |   10 -
>  drivers/staging/zsmalloc/Makefile        |    3 -
>  drivers/staging/zsmalloc/zsmalloc-main.c | 1064 ------------------------------
>  drivers/staging/zsmalloc/zsmalloc.h      |   43 --
>  include/linux/zsmalloc.h                 |   43 ++
>  lib/Kconfig                              |    2 +
>  lib/Makefile                             |    1 +
>  lib/zsmalloc/Kconfig                     |   18 +
>  lib/zsmalloc/Makefile                    |    1 +
>  lib/zsmalloc/zsmalloc.c                  | 1064 ++++++++++++++++++++++++++++++
>  14 files changed, 1132 insertions(+), 1127 deletions(-)
>  delete mode 100644 drivers/staging/zsmalloc/Kconfig
>  delete mode 100644 drivers/staging/zsmalloc/Makefile
>  delete mode 100644 drivers/staging/zsmalloc/zsmalloc-main.c
>  delete mode 100644 drivers/staging/zsmalloc/zsmalloc.h
>  create mode 100644 include/linux/zsmalloc.h
>  create mode 100644 lib/zsmalloc/Kconfig
>  create mode 100644 lib/zsmalloc/Makefile
>  create mode 100644 lib/zsmalloc/zsmalloc.c

Since there's just one file here, why not just move to lib flatly without creating a new directory?

Thanks,
Wanlong Gao


  reply	other threads:[~2012-09-26  9:44 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-26  8:50 [PATCH 0/3] zram/zsmalloc promotion Minchan Kim
2012-09-26  8:50 ` [PATCH 1/3] zsmalloc: promote to lib/ Minchan Kim
2012-09-26  9:42   ` Wanlong Gao [this message]
2012-09-26  9:51   ` Pekka Enberg
2012-09-26 17:06     ` Nitin Gupta
2012-09-27  1:39     ` Minchan Kim
2012-09-27  1:47       ` Andrew Morton
2012-09-27  1:50         ` Minchan Kim
2012-09-26  8:50 ` [PATCH 2/3] zram: promote zram from staging Minchan Kim
2012-09-26  9:54   ` Pekka Enberg
2012-09-26  8:50 ` [PATCH 3/3] zram: select ZSMALLOC when ZRAM is configured Minchan Kim
2012-09-26 16:15   ` Greg Kroah-Hartman
2012-09-26 16:23     ` Calvin Walton
2012-09-26 16:29       ` Greg Kroah-Hartman
2012-09-27  1:53         ` Minchan Kim

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