X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2FKconfig;h=7e28ecfa8aa42663ba3153a984ee1dbe69f7e96b;hb=a903f0865a190f8778c73df1a810ea6e25e5d7cf;hp=f5e698e30d4a230f6fe0b45e92892483507f3ade;hpb=ab3d681e9d41816f90836ea8fe235168d973207f;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/Kconfig b/mm/Kconfig
index f5e698e..7e28ecf 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -477,3 +477,15 @@ config FRONTSWAP
 	  and swap data is stored as normal on the matching swap device.
 
 	  If unsure, say Y to enable frontswap.
+
+config MEM_SOFT_DIRTY
+	bool "Track memory changes"
+	depends on CHECKPOINT_RESTORE && HAVE_ARCH_SOFT_DIRTY
+	select PROC_PAGE_MONITOR
+	help
+	  This option enables memory changes tracking by introducing a
+	  soft-dirty bit on pte-s. This bit it set when someone writes
+	  into a page just as regular dirty bit, but unlike the latter
+	  it can be cleared by hands.
+
+	  See Documentation/vm/soft-dirty.txt for more details.