Re: [PATCH] drbd: dynamically allocate shash descriptor
From: Herbert Xu
Date: Mon Jun 17 2019 - 23:48:19 EST
On Mon, Jun 17, 2019 at 10:58:58PM +0200, Arnd Bergmann wrote:
>
> The warning is gone with this patch. Instead of 1280 bytes for drbd_receiver,
> I now see 512 bytes, and 768 bytes for drbd_get_response, everything else is
> under 160 bytes in this file.
>
> However, with the call chain of
>
> drbd_receiver
> conn_connect
> drbd_do_auth
> drbd_get_response
>
> This still adds up to as much as before, so it only shuts up the
> warning but does not reduce the maximum stack usage.
OK so it doesn't really reduce it. Let's just go with your patch.
Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt