NOMMU: Make VMAs per MM as for MMU-mode linux

[firefly-linux-kernel-4.4.55.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2e75478e9c696bc6933ca8952c0a013dd30eb78a..d0a32aab03ff66cbda68d3d60b30980d006d86ba 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -512,6 +512,13 @@ config DEBUG_VIRTUAL
 
          If unsure, say N.
 
+config DEBUG_NOMMU_REGIONS
+       bool "Debug the global anon/private NOMMU mapping region tree"
+       depends on DEBUG_KERNEL && !MMU
+       help
+         This option causes the global tree of anonymous and private mapping
+         regions to be regularly checked for invalid topology.
+
 config DEBUG_WRITECOUNT
        bool "Debug filesystem writers count"
        depends on DEBUG_KERNEL