The patch titled memcg: use ifdef for mem_cgroup_is_obsolete() has been added to the -mm tree. Its filename is memcg-use-ifdef-for-mem_cgroup_is_obsolete.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: memcg: use ifdef for mem_cgroup_is_obsolete() From: Pekka Enberg <penberg@xxxxxxxxxxxxxx> When CONFIG_DEBUG_VM is disabled, I get the following warning: CC mm/memcontrol.o mm/memcontrol.c:318: warning: `mem_cgroup_is_obsolete' defined but not used Fix that up by wrapping mem_cgroup_is_obsolete() in an ifdef. Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx> Cc: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Cc: Li Zefan <lizf@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN mm/memcontrol.c~memcg-use-ifdef-for-mem_cgroup_is_obsolete mm/memcontrol.c --- a/mm/memcontrol.c~memcg-use-ifdef-for-mem_cgroup_is_obsolete +++ a/mm/memcontrol.c @@ -314,12 +314,14 @@ static struct mem_cgroup *try_get_mem_cg return mem; } +#ifdef CONFIG_DEBUG_VM static bool mem_cgroup_is_obsolete(struct mem_cgroup *mem) { if (!mem) return true; return css_is_removed(&mem->css); } +#endif /* _ Patches currently in -mm which might be from penberg@xxxxxxxxxxxxxx are memcg-use-ifdef-for-mem_cgroup_is_obsolete.patch repeatable-slab-corruption-with-ltp-msgctl08.patch linux-next.patch cpusets-restructure-the-function-cpuset_update_task_memory_state.patch cpusets-update-tasks-page-slab-spread-flags-in-time.patch cpusetmm-update-tasks-mems_allowed-in-time.patch cpusetmm-update-tasks-mems_allowed-in-time-fix.patch cpusetmm-update-tasks-mems_allowed-in-time-cleanup.patch page-allocator-replace-__alloc_pages_internal-with-__alloc_pages_nodemask.patch page-allocator-do-not-sanity-check-order-in-the-fast-path.patch page-allocator-do-not-sanity-check-order-in-the-fast-path-fix.patch page-allocator-do-not-check-numa-node-id-when-the-caller-knows-the-node-is-valid.patch page-allocator-check-only-once-if-the-zonelist-is-suitable-for-the-allocation.patch page-allocator-break-up-the-allocator-entry-point-into-fast-and-slow-paths.patch page-allocator-move-check-for-disabled-anti-fragmentation-out-of-fastpath.patch page-allocator-calculate-the-preferred-zone-for-allocation-only-once.patch page-allocator-calculate-the-preferred-zone-for-allocation-only-once-fix.patch page-allocator-calculate-the-migratetype-for-allocation-only-once.patch page-allocator-calculate-the-alloc_flags-for-allocation-only-once.patch page-allocator-remove-a-branch-by-assuming-__gfp_high-==-alloc_high.patch page-allocator-inline-__rmqueue_smallest.patch page-allocator-inline-buffered_rmqueue.patch page-allocator-inline-__rmqueue_fallback.patch page-allocator-do-not-call-get_pageblock_migratetype-more-than-necessary.patch page-allocator-do-not-disable-interrupts-in-free_page_mlock.patch page-allocator-do-not-setup-zonelist-cache-when-there-is-only-one-node.patch page-allocator-do-not-check-for-compound-pages-during-the-page-allocator-sanity-checks.patch page-allocator-use-allocation-flags-as-an-index-to-the-zone-watermark.patch page-allocator-use-allocation-flags-as-an-index-to-the-zone-watermark-replace-the-watermark-related-union-in-struct-zone-with-a-watermark-array.patch page-allocator-update-nr_free_pages-only-as-necessary.patch page-allocator-update-nr_free_pages-only-as-necessary-fix.patch page-allocator-get-the-pageblock-migratetype-without-disabling-interrupts.patch page-allocator-use-a-pre-calculated-value-instead-of-num_online_nodes-in-fast-paths.patch page-allocator-slab-use-nr_online_nodes-to-check-for-a-numa-platform.patch page-allocator-move-free_page_mlock-to-page_allocc.patch slab-leaks3-default-y.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html