Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-block.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8282985d438ab4dcf50eefd82e8568d541ecd4ff..ff425a2d286c5ba905c3fe00a23bd8875a8b9547 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1487,6 +1487,14 @@ config X86_DIRECT_GBPAGES
          supports them), so don't confuse the user by printing
          that we have them enabled.
 
+config X86_CPA_STATISTICS
+       bool "Enable statistic for Change Page Attribute"
+       depends on DEBUG_FS
+       ---help---
+         Expose statistics about the Change Page Attribute mechanims, which
+         helps to determine the effectivness of preserving large and huge
+         page mappings when mapping protections are changed.
+
 config ARCH_HAS_MEM_ENCRYPT
        def_bool y