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| author | Andi Kleen <andi@firstfloor.org> | 2009-09-16 11:50:17 +0200 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2009-09-16 11:50:17 +0200 |
| commit | cae681fc12a824631337906d6ba1dbd498e751a5 (patch) | |
| tree | 121ca5ece3adc954010f32f1d502066158124887 /mm/Kconfig | |
| parent | 9893e49d64a4874ea67849ee2cfbf3f3d6817573 (diff) | |
| download | kernel-common-cae681fc12a824631337906d6ba1dbd498e751a5.tar.gz kernel-common-cae681fc12a824631337906d6ba1dbd498e751a5.tar.bz2 kernel-common-cae681fc12a824631337906d6ba1dbd498e751a5.zip | |
HWPOISON: Add simple debugfs interface to inject hwpoison on arbitary PFNs
Useful for some testing scenarios, although specific testing is often
done better through MADV_POISON
This can be done with the x86 level MCE injector too, but this interface
allows it to do independently from low level x86 changes.
v2: Add module license (Haicheng Li)
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index ea2d8b61c631..4b4e57a9643e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -243,6 +243,10 @@ config MEMORY_FAILURE even when some of its memory has uncorrected errors. This requires special hardware support and typically ECC memory. +config HWPOISON_INJECT + tristate "Poison pages injector" + depends on MEMORY_FAILURE && DEBUG_KERNEL + config NOMMU_INITIAL_TRIM_EXCESS int "Turn on mmap() excess space trimming before booting" depends on !MMU |