[PATCH] i386: Move CONFIG_DOUBLEFAULT into arch/i386 where it belongs.

[deliverable/linux.git] / arch / i386 / Kconfig.debug

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index 00108ba9a78dcef5629ead0e8bea35d0c08c9ea7..c92191b1fb672935527bccbadfdd129065306edb 100644 (file)
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -44,8 +44,8 @@ comment "Page alloc debug is incompatible with Software Suspend on i386"
        depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
 
 config DEBUG_PAGEALLOC
-       bool "Page alloc debugging"
-       depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND
+       bool "Debug page memory allocations"
+       depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND && !HUGETLBFS
        help
          Unmap pages from the kernel linear mapping after free_pages().
          This results in a large slowdown, but helps to find certain types
@@ -81,4 +81,13 @@ config X86_MPPARSE
        depends on X86_LOCAL_APIC && !X86_VISWS
        default y
 
+config DOUBLEFAULT
+       default y
+       bool "Enable doublefault exception handler" if EMBEDDED
+       help
+          This option allows trapping of rare doublefault exceptions that
+          would otherwise cause a system to silently reboot. Disabling this
+          option saves about 4k and might cause you much additional grey
+          hair.
+
 endmenu