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authorAndi Kleen <ak@linux.intel.com>2009-10-04 02:20:11 +0200
committerAndi Kleen <ak@linux.intel.com>2009-10-04 03:23:17 +0200
commit1087e9b4ff708976499b4de541d9e1d57d49b60a (patch)
treea370356b3f969b6081189d850d9a56921ed341c4 /include/linux
parentf0a221ef47df3cdde2123fe75ce3b61bb7df656d (diff)
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HWPOISON: Clean up PR_MCE_KILL interface
While writing the manpage I noticed some shortcomings in the current interface. - Define symbolic names for all the different values - Boundary check the kill mode values - For symmetry add a get interface too. This allows library code to get/set the current state. - For consistency define a PR_MCE_KILL_DEFAULT value Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/prctl.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 9311505..a3baeb2 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -88,6 +88,18 @@
#define PR_TASK_PERF_EVENTS_DISABLE 31
#define PR_TASK_PERF_EVENTS_ENABLE 32
+/*
+ * Set early/late kill mode for hwpoison memory corruption.
+ * This influences when the process gets killed on a memory corruption.
+ */
#define PR_MCE_KILL 33
+# define PR_MCE_KILL_CLEAR 0
+# define PR_MCE_KILL_SET 1
+
+# define PR_MCE_KILL_LATE 0
+# define PR_MCE_KILL_EARLY 1
+# define PR_MCE_KILL_DEFAULT 2
+
+#define PR_MCE_KILL_GET 34
#endif /* _LINUX_PRCTL_H */