Re: [PATCH -next] mm, compaction: remove set but not used variables 'a, b, c'

[Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>]

On Wed, Jan 09, 2019 at 03:02:47AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> mm/compaction.c: In function 'compact_zone':
> mm/compaction.c:2063:22: warning:
>  variable 'c' set but not used [-Wunused-but-set-variable]
> mm/compaction.c:2063:19: warning:
>  variable 'b' set but not used [-Wunused-but-set-variable]
> mm/compaction.c:2063:16: warning:
>  variable 'a' set but not used [-Wunused-but-set-variable]
> 
> This never used since 94d5992baaa5 ("mm, compaction: finish pageblock
> scanning on contention")
> 

Dang. This is left-over debugging code that got accidentally merged
during a rebase.  Andrew, can you pick this up as a fix to the mmotm
patch mm-compaction-finish-pageblock-scanning-on-contention.patch please?

Thanks YueHaibing.

-- 
Mel Gorman
SUSE Labs