The patch titled Subject: mm-memcg-slab-obj_cgroup-api-fix has been added to the -mm tree. Its filename is mm-memcg-slab-obj_cgroup-api-fix.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-slab-obj_cgroup-api-fix.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-slab-obj_cgroup-api-fix.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/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Roman Gushchin <guro@xxxxxx> Subject: mm-memcg-slab-obj_cgroup-api-fix -ENOCHANGELOG Link: http://lkml.kernel.org/r/20200619213810.GA237539@xxxxxxxxxxxxxxxxxxxxxxxxxxx Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxx> Cc: Shakeel Butt <shakeelb@xxxxxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Tobin C. Harding <tobin@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Waiman Long <longman@xxxxxxxxxx> Cc: Dennis Zhou <dennis@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/memcontrol.h | 2 +- mm/memcontrol.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/include/linux/memcontrol.h~mm-memcg-slab-obj_cgroup-api-fix +++ a/include/linux/memcontrol.h @@ -319,7 +319,7 @@ struct mem_cgroup { enum memcg_kmem_state kmem_state; struct list_head kmem_caches; struct obj_cgroup __rcu *objcg; - struct list_head objcg_list; + struct list_head objcg_list; /* list of inherited objcgs */ #endif #ifdef CONFIG_CGROUP_WRITEBACK --- a/mm/memcontrol.c~mm-memcg-slab-obj_cgroup-api-fix +++ a/mm/memcontrol.c @@ -2827,7 +2827,7 @@ __always_inline struct obj_cgroup *get_o struct obj_cgroup *objcg = NULL; struct mem_cgroup *memcg; - if (unlikely(!current->mm)) + if (unlikely(!current->mm && !current->active_memcg)) return NULL; rcu_read_lock(); _ Patches currently in -mm which might be from guro@xxxxxx are mm-memcg-factor-out-memcg-and-lruvec-level-changes-out-of-__mod_lruvec_state.patch mm-memcg-prepare-for-byte-sized-vmstat-items.patch mm-memcg-convert-vmstat-slab-counters-to-bytes.patch mm-slub-implement-slub-version-of-obj_to_index.patch mm-memcg-slab-obj_cgroup-api.patch mm-memcg-slab-obj_cgroup-api-fix.patch mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages.patch mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch mm-memcg-slab-save-obj_cgroup-for-non-root-slab-objects.patch mm-memcg-slab-charge-individual-slab-objects-instead-of-pages.patch mm-memcg-slab-deprecate-memorykmemslabinfo.patch mm-memcg-slab-move-memcg_kmem_bypass-to-memcontrolh.patch mm-memcg-slab-use-a-single-set-of-kmem_caches-for-all-accounted-allocations.patch mm-memcg-slab-simplify-memcg-cache-creation.patch mm-memcg-slab-remove-memcg_kmem_get_cache.patch mm-memcg-slab-deprecate-slab_root_caches.patch mm-memcg-slab-remove-redundant-check-in-memcg_accumulate_slabinfo.patch mm-memcg-slab-use-a-single-set-of-kmem_caches-for-all-allocations.patch kselftests-cgroup-add-kernel-memory-accounting-tests.patch tools-cgroup-add-memcg_slabinfopy-tool.patch percpu-return-number-of-released-bytes-from-pcpu_free_area.patch mm-memcg-percpu-account-percpu-memory-to-memory-cgroups.patch mm-memcg-percpu-per-memcg-percpu-memory-statistics.patch mm-memcg-charge-memcg-percpu-memory-to-the-parent-cgroup.patch kselftests-cgroup-add-perpcu-memory-accounting-test.patch