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-rw-r--r--Documentation/oops-tracing.txt6
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diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 2503404ae5c2..ea55ea8bc8ef 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -234,6 +234,12 @@ characters, each representing a particular tainted value.
234 6: 'B' if a page-release function has found a bad page reference or 234 6: 'B' if a page-release function has found a bad page reference or
235 some unexpected page flags. 235 some unexpected page flags.
236 236
237 7: 'U' if a user specifically requested that the Tainted flag be set,
238 ' ' otherwise.
239
240 7: 'U' if a user or user application specifically requested that the
241 Tainted flag be set, ' ' otherwise.
242
237The primary reason for the 'Tainted: ' string is to tell kernel 243The primary reason for the 'Tainted: ' string is to tell kernel
238debuggers if this is a clean kernel or if anything unusual has 244debuggers if this is a clean kernel or if anything unusual has
239occurred. Tainting is permanent: even if an offending module is 245occurred. Tainting is permanent: even if an offending module is