flowcache: make flow_key_size() return "unsigned int"

[karo-tx-linux.git] / Documentation / static-keys.txt

diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt
index ea8d7b4e53f05c01116f57f45d28da3e9943bfd8..32a25fad0c1b4e6ea3fe4ea67e48ccfbf7a461e5 100644 (file)
--- a/Documentation/static-keys.txt
+++ b/Documentation/static-keys.txt
@@ -155,7 +155,9 @@ or:
 
 There are a few functions and macros that architectures must implement in order
 to take advantage of this optimization. If there is no architecture support, we
-simply fall back to a traditional, load, test, and jump sequence.
+simply fall back to a traditional, load, test, and jump sequence. Also, the
+struct jump_entry table must be at least 4-byte aligned because the
+static_key->entry field makes use of the two least significant bits.
 
 * select HAVE_ARCH_JUMP_LABEL, see: arch/x86/Kconfig