HWPOISON: add fs/device filters

[safe/jmp/linux-2.6] / Documentation / vm / hwpoison.txt

diff --git a/Documentation/vm/hwpoison.txt b/Documentation/vm/hwpoison.txt
index f047e75..fdf5804 100644 (file)
--- a/Documentation/vm/hwpoison.txt
+++ b/Documentation/vm/hwpoison.txt
@@ -115,6 +115,13 @@ memory failures.
 Note these injection interfaces are not stable and might change between
 kernel versions
 
+corrupt-filter-dev-major
+corrupt-filter-dev-minor
+
+Only handle memory failures to pages associated with the file system defined
+by block device major/minor.  -1U is the wildcard value.
+This should be only used for testing with artificial injection.
+
 Architecture specific MCE injector
 
 x86 has mce-inject, mce-test