From: Peter Zijlstra <[email protected]>
Introduce the configuration option, and modify the Makefile.
Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
---
mm/Kconfig | 11 +++++++++++
mm/Makefile | 2 ++
mm/useonce.c | 3 +++
3 files changed, 16 insertions(+)
Index: linux-2.6/mm/Kconfig
===================================================================
--- linux-2.6.orig/mm/Kconfig 2006-03-13 20:37:08.000000000 +0100
+++ linux-2.6/mm/Kconfig 2006-03-13 20:37:24.000000000 +0100
@@ -133,6 +133,17 @@ config SPLIT_PTLOCK_CPUS
default "4096" if PARISC && !PA20
default "4"
+choice
+ prompt "Page replacement policy"
+ default MM_POLICY_USEONCE
+
+config MM_POLICY_USEONCE
+ bool "LRU-2Q USE-ONCE"
+ help
+ This option selects the standard multi-queue LRU policy.
+
+endchoice
+
#
# support for page migration
#
Index: linux-2.6/mm/Makefile
===================================================================
--- linux-2.6.orig/mm/Makefile 2006-03-13 20:37:08.000000000 +0100
+++ linux-2.6/mm/Makefile 2006-03-13 20:37:24.000000000 +0100
@@ -12,6 +12,8 @@ obj-y := bootmem.o filemap.o mempool.o
readahead.o swap.o truncate.o vmscan.o \
prio_tree.o util.o $(mmu-y)
+obj-$(CONFIG_MM_POLICY_USEONCE) += useonce.o
+
obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
obj-$(CONFIG_HUGETLBFS) += hugetlb.o
obj-$(CONFIG_NUMA) += mempolicy.o
Index: linux-2.6/mm/useonce.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6/mm/useonce.c 2006-03-13 20:37:24.000000000 +0100
@@ -0,0 +1,3 @@
+
+
+
-
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