Re: [PATCH v2 4/5] binder: convert logging macros into functions

From: Christian Brauner
Date: Mon May 09 2022 - 06:14:47 EST


On Fri, Apr 29, 2022 at 11:56:43PM +0000, Carlos Llamas wrote:
> Converting binder_debug() and binder_user_error() macros into functions
> reduces the overall object size by 16936 bytes when cross-compiled with
> aarch64-linux-gnu-gcc 11.2.0:
>
> $ size drivers/android/binder.o.{old,new}
> text data bss dec hex filename
> 77935 6168 20264 104367 197af drivers/android/binder.o.old
> 65551 1616 20264 87431 15587 drivers/android/binder.o.new
>
> This is particularly beneficial to functions binder_transaction() and
> binder_thread_write() which repeatedly use these macros and are both
> part of the critical path for all binder transactions.
>
> $ nm --size vmlinux.{old,new} |grep ' binder_transaction$'
> 0000000000002f60 t binder_transaction
> 0000000000002358 t binder_transaction
>
> $ nm --size vmlinux.{old,new} |grep binder_thread_write
> 0000000000001c54 t binder_thread_write
> 00000000000014a8 t binder_thread_write
>
> Signed-off-by: Carlos Llamas <cmllamas@xxxxxxxxxx>
> ---

Looks good to me,
Acked-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx>