On Wed, Aug 24, 2016 at 12:23:00PM +0200, Arnd Bergmann wrote: > A bugfix in v4.8-rc2 introduced a harmless warning when CONFIG_MEMCG_SWAP > is disabled but CONFIG_MEMCG is enabled: > > mm/memcontrol.c:4085:27: error: 'mem_cgroup_id_get_online' defined but not > used [-Werror=unused-function] > static struct mem_cgroup *mem_cgroup_id_get_online(struct mem_cgroup *memcg) > > This moves the function inside of the #ifdef block that hides the > calling function, to avoid the warning. > > Signed-off-by: Arnd Bergmann <[email protected]> > Fixes: 1f47b61fb407 ("mm: memcontrol: fix swap counter leak on swapout from > offline cgroup") > Acked-by: Michal Hocko <[email protected]> > Acked-by: Vladimir Davydov <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
