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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 07:53:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 07:53:22 -0700
commitdb16826367fefcb0ddb93d76b66adc52eb4e6339 (patch)
tree626224c1eb1eb79c522714591f208b4fdbdcd9d4 /mm/Kconfig
parentcd6045138ed1bb5d8773e940d51c34318eef3ef2 (diff)
parent465fdd97cbe16ef8727221857e96ef62dd352017 (diff)
downloadconfigs-db16826367fefcb0ddb93d76b66adc52eb4e6339.tar.gz
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
* 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: (21 commits) HWPOISON: Enable error_remove_page on btrfs HWPOISON: Add simple debugfs interface to inject hwpoison on arbitary PFNs HWPOISON: Add madvise() based injector for hardware poisoned pages v4 HWPOISON: Enable error_remove_page for NFS HWPOISON: Enable .remove_error_page for migration aware file systems HWPOISON: The high level memory error handler in the VM v7 HWPOISON: Add PR_MCE_KILL prctl to control early kill behaviour per process HWPOISON: shmem: call set_page_dirty() with locked page HWPOISON: Define a new error_remove_page address space op for async truncation HWPOISON: Add invalidate_inode_page HWPOISON: Refactor truncate to allow direct truncating of page v2 HWPOISON: check and isolate corrupted free pages v2 HWPOISON: Handle hardware poisoned pages in try_to_unmap HWPOISON: Use bitmask/action code for try_to_unmap behaviour HWPOISON: x86: Add VM_FAULT_HWPOISON handling to x86 page fault handler v2 HWPOISON: Add poison check to page fault handling HWPOISON: Add basic support for poisoned pages in fault handler v3 HWPOISON: Add new SIGBUS error codes for hardware poison signals HWPOISON: Add support for poison swap entries v2 HWPOISON: Export some rmap vma locking to outside world ...
Diffstat (limited to 'mm/Kconfig')
-rw-r--r--mm/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 71eb0b4cce8..24776072959 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -245,6 +245,20 @@ config DEFAULT_MMAP_MIN_ADDR
/proc/sys/vm/mmap_min_addr tunable.
+config MEMORY_FAILURE
+ depends on MMU
+ depends on X86_MCE
+ bool "Enable recovery from hardware memory errors"
+ help
+ Enables code to recover from some memory failures on systems
+ with MCA recovery. This allows a system to continue running
+ 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