Re: [PATCH] mm: cleanup swap unused warning

[Roman Zippel <zippel@linux-m68k.org>]

Hi,

On Wed, 10 May 2006, Con Kolivas wrote:

> Are there any users of swp_entry_t when CONFIG_SWAP is not defined?
> 
> This patch fixes a warning for !CONFIG_SWAP for me.
> 
> ---
> if CONFIG_SWAP is not defined we get:
> 
> mm/vmscan.c: In function ‘remove_mapping’:
> mm/vmscan.c:387: warning: unused variable ‘swap’

In similiar cases (e.g. spinlocks) we usually do something like this:

#define swap_free(swp)	((void)(swp))

bye, Roman