[Tmem-devel] Tmem [PATCH 4/5] (Take 3): Add mm buildfiles
Jeremy Fitzhardinge
jeremy at goop.org
Thu Dec 17 17:07:51 PST 2009
On 12/17/2009 04:38 PM, Dan Magenheimer wrote:
> Tmem [PATCH 4/5] (Take 3): Add mm buildfiles
>
> Add necessary Kconfig and Makefile changes to mm directory
>
These should be part of their respective tmem-core/frontswap/cleancache
patches.
J
> Signed-off-by: Dan Magenheimer<dan.magenheimer at oracle.com>
>
> Kconfig | 26 +++++++++++++++++++++
> Makefile | 3 ++
> 2 files changed, 29 insertions(+)
>
> --- linux-2.6.32/mm/Kconfig 2009-12-02 20:51:21.000000000 -0700
> +++ linux-2.6.32-tmem/mm/Kconfig 2009-12-17 13:56:46.000000000 -0700
> @@ -287,3 +287,29 @@ config NOMMU_INITIAL_TRIM_EXCESS
> of 1 says that all excess pages should be trimmed.
>
> See Documentation/nommu-mmap.txt for more information.
> +
> +#
> +# support for transcendent memory
> +#
> +config TMEM
> + bool "Transcendent memory support"
> + help
> + In a virtualized environment, allows unused and underutilized
> + system physical memory to be made accessible through a narrow
> + well-defined page-copy-based API.
> +
> +config CLEANCACHE
> + bool "Cache clean pages in transcendent memory"
> + depends on TMEM
> + help
> + Allows the transcendent memory pool to be used to store clean
> + page-cache pages which, under some circumstances, will greatly
> + reduce paging and thus improve performance.
> +
> +config FRONTSWAP
> + bool "Swap pages to transcendent memory"
> + depends on TMEM
> + help
> + Allows the transcendent memory pool to be used as a pseudo-swap
> + device which, under some circumstances, will greatly reduce
> + swapping and thus improve performance.
> --- linux-2.6.32/mm/Makefile 2009-12-02 20:51:21.000000000 -0700
> +++ linux-2.6.32-tmem/mm/Makefile 2009-12-17 14:23:40.000000000 -0700
> @@ -17,6 +17,9 @@ obj-y += init-mm.o
>
> obj-$(CONFIG_BOUNCE) += bounce.o
> obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
> +obj-$(CONFIG_TMEM) += tmem.o
> +obj-$(CONFIG_FRONTSWAP) += frontswap.o
> +obj-$(CONFIG_CLEANCACHE) += cleancache.o
> obj-$(CONFIG_HAS_DMA) += dmapool.o
> obj-$(CONFIG_HUGETLBFS) += hugetlb.o
> obj-$(CONFIG_NUMA) += mempolicy.o
>
>
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