From mboxrd@z Thu Jan 1 00:00:00 1970 From: Waiman Long Subject: [PATCH 0/2] mm, slab: Extend vm/drop_caches to shrink kmem slabs Date: Mon, 24 Jun 2019 13:42:17 -0400 Message-ID: <20190624174219.25513-1-longman@redhat.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Alexander Viro , Jonathan Corbet , Luis Chamberlain , Kees Cook , Johannes Weiner , Michal Hocko , Vladimir Davydov Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Roman Gushchin , Shakeel Butt , Andrea Arcangeli , Waiman Long The purpose of this patchset is to allow system administrators to have the ability to shrink all the kmem slabs in order to free up memory and get a more accurate picture of how many slab objects are actually being used. Patch 1 adds a new memcg_iterate_all() that is used by the patch 2 to iterate on all the memory cgroups. Waiman Long (2): mm, memcontrol: Add memcg_iterate_all() mm, slab: Extend vm/drop_caches to shrink kmem slabs Documentation/sysctl/vm.txt | 11 ++++++++-- fs/drop_caches.c | 4 ++++ include/linux/memcontrol.h | 3 +++ include/linux/slab.h | 1 + kernel/sysctl.c | 4 ++-- mm/memcontrol.c | 13 +++++++++++ mm/slab_common.c | 44 +++++++++++++++++++++++++++++++++++++ 7 files changed, 76 insertions(+), 4 deletions(-) -- 2.18.1