+ mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch added to -mm tree

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The patch titled
     Subject: mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix
has been added to the -mm tree.  Its filename is
     mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch

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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix

un-fat-finger v5 delta creation

Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Waiman Long <longman@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/internal.h    |    5 +++++
 mm/memcontrol.c  |    2 +-
 mm/slab_common.c |    9 +++++++--
 3 files changed, 13 insertions(+), 3 deletions(-)

--- a/mm/internal.h~mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix
+++ a/mm/internal.h
@@ -116,6 +116,11 @@ extern void putback_lru_page(struct page
 extern pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address);
 
 /*
+ * in mm/memcontrol.c:
+ */
+extern bool cgroup_memory_nokmem;
+
+/*
  * in mm/page_alloc.c
  */
 
--- a/mm/memcontrol.c~mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix
+++ a/mm/memcontrol.c
@@ -83,7 +83,7 @@ DEFINE_PER_CPU(struct mem_cgroup *, int_
 static bool cgroup_memory_nosocket;
 
 /* Kernel memory accounting disabled? */
-static bool cgroup_memory_nokmem;
+bool cgroup_memory_nokmem;
 
 /* Whether the swap controller is active */
 #ifdef CONFIG_MEMCG_SWAP
--- a/mm/slab_common.c~mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix
+++ a/mm/slab_common.c
@@ -842,10 +842,15 @@ void __init setup_kmalloc_cache_index_ta
 static void __init
 new_kmalloc_cache(int idx, enum kmalloc_cache_type type, slab_flags_t flags)
 {
-	if (type == KMALLOC_RECLAIM)
+	if (type == KMALLOC_RECLAIM) {
 		flags |= SLAB_RECLAIM_ACCOUNT;
-	else if (IS_ENABLED(CONFIG_MEMCG_KMEM) && (type == KMALLOC_CGROUP))
+	} else if (IS_ENABLED(CONFIG_MEMCG_KMEM) && (type == KMALLOC_CGROUP)) {
+		if (cgroup_memory_nokmem) {
+			kmalloc_caches[type][idx] = kmalloc_caches[KMALLOC_NORMAL][idx];
+			return;
+		}
 		flags |= SLAB_ACCOUNT;
+	}
 
 	kmalloc_caches[type][idx] = create_kmalloc_cache(
 					kmalloc_info[idx].name[type],
_

Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are

mm.patch
mm-slub-kunit-add-a-kunit-test-for-slub-debugging-functionality-fix-2.patch
mm-gup-pack-has_pinned-in-mmf_has_pinned-checkpatch-fixes.patch
mm-memcg-optimize-user-context-object-stock-access-checkpatch-fixes.patch
mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch
mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch
binfmt-remove-in-tree-usage-of-map_executable-fix.patch
mm-mmap-introduce-unlock_range-for-code-cleanup-fix.patch
mm-memory_hotplug-disable-memmap_on_memory-when-hugetlb_free_vmemmap-enabled-fix.patch
nommu-remove-__gfp_highmem-in-vmalloc-vzalloc-checkpatch-fixes.patch
mm-madvise-introduce-madv_populate_readwrite-to-prefault-page-tables-checkpatch-fixes.patch
kernelh-split-out-panic-and-oops-helpers-fix.patch
module-add-printk-formats-to-add-module-build-id-to-stacktraces-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch




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