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-rw-r--r--erts/doc/src/erl_nif.xml4
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index 23f0c66429..9655fcd994 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -974,6 +974,10 @@ typedef struct {
<seealso marker="#enif_make_binary"><c>enif_make_binary</c></seealso>.
An allocated (and owned) <c>ErlNifBinary</c> can be kept between NIF
calls.</p>
+ <p>If you do not need to reallocate or keep the data alive across NIF
+ calls, consider using <seealso marker="#enif_make_new_binary">
+ <c>enif_make_new_binary</c></seealso> instead as it will allocate
+ small binaries on the process heap when possible.</p>
<p>Returns <c>true</c> on success, or <c>false</c> if allocation
fails.</p>
</desc>