[RFC 11/12] rpmsg: increase buffer size and reduce buffer number

Guennadi Liakhovetski
2020-05-29T07:38:32Z

It is hard to imagine use-cases where 512 buffers would really be
needed, whereas 512 bytes per buffer might be too little. Change this
to use 16 16KiB buffers instead.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
---
include/linux/virtio_rpmsg.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/virtio_rpmsg.h b/include/linux/virtio_rpmsg.h
index 679be8b..1add468 100644
--- a/include/linux/virtio_rpmsg.h
+++ b/include/linux/virtio_rpmsg.h
@@ -72,8 +72,8 @@ enum rpmsg_ns_flags {
* can change this without changing anything in the firmware of the remote
* processor.
*/
-#define MAX_RPMSG_NUM_BUFS 512
-#define MAX_RPMSG_BUF_SIZE 512
+#define MAX_RPMSG_NUM_BUFS (512 / 32)
+#define MAX_RPMSG_BUF_SIZE (512 * 32)

/* Address 53 is reserved for advertising remote services */
#define RPMSG_NS_ADDR 53
--
1.9.3