[PATCH] documentation: add sandbox malloc argument

[Alexander Aring]

Add malloc argument in doxygen comment.

Signed-off-by: Alexander Aring <alex.aring at gmail.com>
---
 arch/sandbox/os/common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c
index db347e2..36c8d62 100644
--- a/arch/sandbox/os/common.c
+++ b/arch/sandbox/os/common.c
@@ -436,6 +436,10 @@ static void print_usage(const char *prgname)
  *
  * Options can be:
  *
+ * -m, --malloc=\<size\>
+ *
+ * Start sandbox with a specified malloc-space \<size\> in bytes.
+ *
  * -i \<file\>
  *
  * Map a \<file\> to barebox. This option can be given multiple times. The \<file\>s
-- 
1.7.12.2