[Tmem-devel] Tmem [PATCH 4/5] (Take 3): Add mm buildfiles

[Dan Magenheimer]

Tmem [PATCH 4/5] (Take 3): Add mm buildfiles

Add necessary Kconfig and Makefile changes to mm directory

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