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-rw-r--r--docs/gettingstarted/developers/infrastructure.md13
1 files changed, 8 insertions, 5 deletions
diff --git a/docs/gettingstarted/developers/infrastructure.md b/docs/gettingstarted/developers/infrastructure.md
index 0361a632c37..b99460732c5 100644
--- a/docs/gettingstarted/developers/infrastructure.md
+++ b/docs/gettingstarted/developers/infrastructure.md
@@ -48,13 +48,16 @@ macro! It's smart about NULL pointers.\]
Typically, the user header is not present. User headers allow for other
data structures to be built atop vppinfra vectors. Users may specify the
-alignment for data elements via the [vec]()\*\_aligned macros.
+alignment for first data element of a vector via the [vec]()\*\_aligned
+macros.
-Vectors elements can be any C type e.g. (int, double, struct bar). This
+Vector elements can be any C type e.g. (int, double, struct bar). This
is also true for data types built atop vectors (e.g. heap, pool, etc.).
-Many macros have \_a variants supporting alignment of vector data and
-\_h variants supporting non-zero-length vector headers. The \_ha
-variants support both.
+Many macros have \_a variants supporting alignment of vector elements
+and \_h variants supporting non-zero-length vector headers. The \_ha
+variants support both. Additionally cacheline alignment within a
+vector element structure can be specified using the
+[CLIB_CACHE_LINE_ALIGN_MARK]() macro.
Inconsistent usage of header and/or alignment related macro variants
will cause delayed, confusing failures.