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Date:   Sun, 14 Jun 2020 20:39:20 +0800
From:   Muchun Song <>
        Muchun Song <>
Subject: [PATCH 0/3] mm/slub: Fix slabs_node return value

The slabs_node() always return zero when CONFIG_SLUB_DEBUG is disabled.
But some codes determine whether slab is empty by checking the return
value of slabs_node(). As you know, the result is not correct. we move
the nr_slabs of kmem_cache_node out of the CONFIG_SLUB_DEBUG. So we can
get the corrent value returned by the slabs_node().

Muchun Song (3):
  mm/slub: Fix slabs_node return value when CONFIG_SLUB_DEBUG disabled
  mm/slub: Use node_nr_slabs() instead of slabs_node()
  mm/slub: Fix release all resources used by a slab cache

 mm/slab.h |  2 +-
 mm/slub.c | 93 +++++++++++++++++++++++++++++++++------------------------------
 2 files changed, 50 insertions(+), 45 deletions(-)


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