+ mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch added to -mm tree

+ mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix
has been added to the -mm tree.  Its filename is
     mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix.patch

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------------------------------------------------------
From: Roman Gushchin <guro@fb.com>
Subject: mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix

memcg_alloc_page_obj_cgroups(): allocate page_>obj_cgpoups vector on the
same node as the page.

Link: http://lkml.kernel.org/r/20200620002513.GD237539@carbon.dhcp.thefacebook.com
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tobin C. Harding <tobin@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Dennis Zhou <dennis@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/slab.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/mm/slab.h~mm-memcg-slab-allocate-obj_cgroups-for-non-root-slab-pages-fix
+++ a/mm/slab.h
@@ -424,7 +424,8 @@ static inline int memcg_alloc_page_obj_c
 	unsigned int objects = objs_per_slab_page(s, page);
 	void *vec;
 
-	vec = kcalloc(objects, sizeof(struct obj_cgroup *), gfp);
+	vec = kcalloc_node(objects, sizeof(struct obj_cgroup *), gfp,
+			   page_to_nid(page));
 	if (!vec)
 		return -ENOMEM;
 
_

Patches currently in -mm which might be from guro@fb.com 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-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