From: Seth Jennings <sjenning@linux.vnet.ibm.com>
To: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Seth Jennings <sjenning@linux.vnet.ibm.com>,
Dan Magenheimer <dan.magenheimer@oracle.com>,
Brian King <brking@linux.vnet.ibm.com>,
Nitin Gupta <ngupta@vflare.org>,
Konrad Wilk <konrad.wilk@oracle.com>,
Dave Hansen <dave@linux.vnet.ibm.com>,
linux-mm@kvack.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/5] staging: zsmalloc: memory allocator for compressed pages
Date: Mon, 9 Jan 2012 16:51:55 -0600 [thread overview]
Message-ID: <1326149520-31720-1-git-send-email-sjenning@linux.vnet.ibm.com> (raw)
This patchset introduces a new memory allocation library named
zsmalloc. zsmalloc was designed to fulfill the needs
of users where:
1) Memory is constrained, preventing contiguous page allocations
larger than order 0 and
2) Allocations are all/commonly greater than half a page.
In a generic allocator, an allocation set like this would
cause high fragmentation. The allocations can't span non-
contiguous page boundaries; therefore, the part of the page
unused by each allocation is wasted.
zsmalloc is a slab-based allocator that uses a non-standard
malloc interface, requiring the user to map the allocation
before accessing it. This allows allocations to span two
non-contiguous pages using virtual memory mapping, greatly
reducing fragmentation in the memory pool.
Nitin Gupta (3):
staging: zsmalloc: zsmalloc memory allocation library
staging: zram: replace xvmalloc with zsmalloc
staging: zram: remove xvmalloc
Seth Jennings (2):
staging: add zsmalloc to Kconfig/Makefile
staging: zcache: replace xvmalloc with zsmalloc
drivers/staging/Kconfig | 2 +
drivers/staging/Makefile | 2 +-
drivers/staging/zcache/Kconfig | 2 +-
drivers/staging/zcache/zcache-main.c | 83 ++--
drivers/staging/zram/Kconfig | 6 +-
drivers/staging/zram/Makefile | 1 -
drivers/staging/zram/xvmalloc.c | 510 --------------------
drivers/staging/zram/xvmalloc.h | 30 --
drivers/staging/zram/xvmalloc_int.h | 95 ----
drivers/staging/zram/zram_drv.c | 89 ++--
drivers/staging/zram/zram_drv.h | 10 +-
drivers/staging/zram/zram_sysfs.c | 2 +-
drivers/staging/zsmalloc/Kconfig | 11 +
drivers/staging/zsmalloc/Makefile | 3 +
drivers/staging/zsmalloc/zsmalloc-main.c | 756 ++++++++++++++++++++++++++++++
drivers/staging/zsmalloc/zsmalloc.h | 31 ++
drivers/staging/zsmalloc/zsmalloc_int.h | 126 +++++
17 files changed, 1020 insertions(+), 739 deletions(-)
delete mode 100644 drivers/staging/zram/xvmalloc.c
delete mode 100644 drivers/staging/zram/xvmalloc.h
delete mode 100644 drivers/staging/zram/xvmalloc_int.h
create mode 100644 drivers/staging/zsmalloc/Kconfig
create mode 100644 drivers/staging/zsmalloc/Makefile
create mode 100644 drivers/staging/zsmalloc/zsmalloc-main.c
create mode 100644 drivers/staging/zsmalloc/zsmalloc.h
create mode 100644 drivers/staging/zsmalloc/zsmalloc_int.h
--
1.7.5.4
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next reply other threads:[~2012-01-09 22:52 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-09 22:51 Seth Jennings [this message]
2012-01-09 22:51 ` [PATCH 1/5] staging: zsmalloc: zsmalloc memory allocation library Seth Jennings
2012-01-20 22:12 ` Andrew Morton
2012-01-23 14:36 ` Seth Jennings
2012-01-23 18:57 ` Nitin Gupta
2012-01-23 19:40 ` Andrew Morton
2012-01-26 19:12 ` Dave Hansen
2012-02-06 17:26 ` Seth Jennings
2012-02-08 16:39 ` Dave Hansen
2012-02-08 17:15 ` Dan Magenheimer
2012-02-08 17:21 ` Dave Hansen
2012-02-08 17:53 ` Nitin Gupta
2012-02-08 18:28 ` Dave Hansen
2012-02-08 20:57 ` Nitin Gupta
2012-02-08 21:39 ` Dan Magenheimer
2012-02-08 23:07 ` Dave Hansen
2012-01-09 22:51 ` [PATCH 2/5] staging: add zsmalloc to Kconfig/Makefile Seth Jennings
2012-01-09 22:51 ` [PATCH 3/5] staging: zcache: replace xvmalloc with zsmalloc Seth Jennings
2012-02-09 1:13 ` Greg KH
2012-02-09 14:36 ` Seth Jennings
2012-02-09 14:55 ` Seth Jennings
2012-02-09 18:13 ` Greg KH
2012-02-09 18:28 ` Seth Jennings
2012-01-09 22:51 ` [PATCH 4/5] staging: zram: " Seth Jennings
2012-01-09 22:52 ` [PATCH 5/5] staging: zram: remove xvmalloc Seth Jennings
2012-01-09 23:09 ` [PATCH 0/5] staging: zsmalloc: memory allocator for compressed pages Greg KH
2012-01-09 23:26 ` Seth Jennings
2012-01-20 22:03 ` Andrew Morton
2012-01-23 14:27 ` Seth Jennings
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