[v2] powerpc: silence unused-but-set-variable warnings

[Michael Ellerman]

On Thu, 2019-03-07 at 14:40:31 UTC, Qian Cai wrote:
> pte_unmap() compiles away on some powerpc platforms, so silence the
> warnings below by making it a static inline function.
> 
> mm/memory.c: In function 'copy_pte_range':
> mm/memory.c:820:24: warning: variable 'orig_dst_pte' set but not used
> [-Wunused-but-set-variable]
> mm/memory.c:820:9: warning: variable 'orig_src_pte' set but not used
> [-Wunused-but-set-variable]
> mm/madvise.c: In function 'madvise_free_pte_range':
> mm/madvise.c:318:9: warning: variable 'orig_pte' set but not used
> [-Wunused-but-set-variable]
> mm/swap_state.c: In function 'swap_ra_info':
> mm/swap_state.c:634:15: warning: variable 'orig_pte' set but not used
> [-Wunused-but-set-variable]
> 
> Suggested-by: Christophe Leroy <christophe.leroy at c-s.fr>
> Signed-off-by: Qian Cai <cai at lca.pw>
> Reviewed-by: Christophe Leroy <christophe.leroy at c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bff25143da0d623a1765bf78dbc82044

cheers