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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-06 12:59:59 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-06 12:59:59 -0800 |
| commit | ccf18968b1bbc2fb117190a1984ac2a826dac228 (patch) | |
| tree | 7bc8fbf5722aecf1e84fa50c31c657864cba1daa /arch/i386/Kconfig.debug | |
| parent | e91c021c487110386a07facd0396e6c3b7cf9c1f (diff) | |
| parent | d99cf9d679a520d67f81d805b7cb91c68e1847f0 (diff) | |
Merge ../torvalds-2.6/
Diffstat (limited to 'arch/i386/Kconfig.debug')
| -rw-r--r-- | arch/i386/Kconfig.debug | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug index c48b424dd64..bf32ecc9ad0 100644 --- a/arch/i386/Kconfig.debug +++ b/arch/i386/Kconfig.debug @@ -42,6 +42,16 @@ config DEBUG_PAGEALLOC This results in a large slowdown, but helps to find certain types of memory corruptions. +config DEBUG_RODATA + bool "Write protect kernel read-only data structures" + depends on DEBUG_KERNEL + help + Mark the kernel read-only data as write-protected in the pagetables, + in order to catch accidental (and incorrect) writes to such const + data. This option may have a slight performance impact because a + portion of the kernel code won't be covered by a 2MB TLB anymore. + If in doubt, say "N". + config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL |