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
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WARNING: multiple messages have this Message-ID (diff)
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
next prev parent reply other threads:[~2012-09-26 9:44 UTC|newest]
Thread overview: 30+ 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 ` Minchan Kim
2012-09-26 8:50 ` [PATCH 1/3] zsmalloc: promote to lib/ Minchan Kim
2012-09-26 8:50 ` Minchan Kim
2012-09-26 9:42 ` Wanlong Gao [this message]
2012-09-26 9:42 ` Wanlong Gao
2012-09-26 9:51 ` Pekka Enberg
2012-09-26 9:51 ` Pekka Enberg
2012-09-26 17:06 ` Nitin Gupta
2012-09-26 17:06 ` Nitin Gupta
2012-09-27 1:39 ` Minchan Kim
2012-09-27 1:39 ` Minchan Kim
2012-09-27 1:47 ` Andrew Morton
2012-09-27 1:47 ` Andrew Morton
2012-09-27 1:50 ` Minchan Kim
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 8:50 ` Minchan Kim
2012-09-26 9:54 ` Pekka Enberg
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 8:50 ` Minchan Kim
2012-09-26 16:15 ` Greg Kroah-Hartman
2012-09-26 16:15 ` Greg Kroah-Hartman
2012-09-26 16:23 ` Calvin Walton
2012-09-26 16:23 ` Calvin Walton
2012-09-26 16:29 ` Greg Kroah-Hartman
2012-09-26 16:29 ` Greg Kroah-Hartman
2012-09-27 1:53 ` Minchan Kim
2012-09-27 1:53 ` Minchan Kim
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