gcc/ChangeLog:

        * doc/invoke.texi: Document --param=asan-kernel-mem-intrinsic-prefix.
---
 gcc/doc/invoke.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 26de582e41e..0a43720f614 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -15809,6 +15809,10 @@ is greater or equal to this number, use callbacks 
instead of inline checks.
 E.g. to disable inline code use
 @option{--param asan-instrumentation-with-call-threshold=0}.
 
+@item asan-kernel-mem-intrinsic-prefix
+Prefix calls to memcpy, memset and memmove with __asan_ or __hwasan_
+for -fsanitize=kernel-address or -fsanitize=kernel-hwaddress.
+
 @item hwasan-instrument-stack
 Enable hwasan instrumentation of statically sized stack-allocated variables.
 This kind of instrumentation is enabled by default when using
-- 
2.39.1

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