From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Moyer Subject: Re: linux-next memleak after IO on dax mountpoint Date: Wed, 01 Jun 2016 10:37:26 -0400 Message-ID: References: <20160527084617.GD2933@dhcp12-144.nay.redhat.com> <20160528040554.GA23685@dhcp12-144.nay.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49653 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754896AbcFAOh3 convert rfc822-to-8bit (ORCPT ); Wed, 1 Jun 2016 10:37:29 -0400 In-Reply-To: <20160528040554.GA23685@dhcp12-144.nay.redhat.com> (Xiong Zhou's message of "Sat, 28 May 2016 12:05:54 +0800") Sender: linux-next-owner@vger.kernel.org List-ID: To: Xiong Zhou Cc: sfr@canb.auug.org.au, axboe@fb.com, linux-next@vger.kernel.org, linux-nvdimm@ml01.01.org, linux-kernel@vger.kernel.org Xiong Zhou writes: > On Fri, May 27, 2016 at 04:46:17PM +0800, Xiong Zhou wrote: > ... >> Still working on to id which commit in this merge causes this issuer= , > > Narrowed down to: Hi Xiong, I don't see how any of those could be at all relevant to pmem. Can you post the output from 'cat /proc/slabinfo' here? Thanks, Jeff > > 37e5823 block: add offset in blk_add_request_payload() > e048948 blk-mq: Export tagset iter function > 58b4560 nvme: add helper nvme_map_len() > 03b5929 nvme: rewrite discard support > 8093f7c nvme: add helper nvme_setup_cmd() > 21f033f NVMe: Skip async events for degraded controllers > 82b4552 nvme: Use blk-mq helper for IO termination > 93e9d8e block: add ability to flag write back caching on a device > 519a7e1 dm: switch to using blk_queue_write_cache() > bb8d261 nvme: introduce a controller state machine > 92911a5 nvme: tighten up state check for namespace scanning > 5955be2 nvme: move namespace scanning to core > f866fc4 nvme: move AER handling to common code > 0bf77e9 nvme: switch to RCU freeing the namespace > 9082e87 block: remove struct bio_batch > 38f2525 block: add __blkdev_issue_discard > 57aac2f lightnvm: fix "warning: =E2=80=98ret=E2=80=99 may be used uni= nitialized" > ecfb40c lightnvm: handle submit_io failure > 1145e63 lightnvm: implement nvm_submit_ppa_list > 22e8c97 lightnvm: move block fold outside of get_bb_tbl() > 7f7c5d0 lightnvm: avoid memory leak when lun_map kcalloc fails > 5136061 lightnvm: introduce nvm_for_each_lun_ppa() macro > e11903f lightnvm: refactor device ops->get_bb_tbl() > 5ebc7d9 lightnvm: make nvm_set_rqd_ppalist() aware of vblks > a63d5cf lightnvm: move responsibility for bad blk mgmt to target > 00ee6cc lightnvm: refactor set_bb_tbl for accepting ppa list > 003fad3 lightnvm: enable metadata to be sent to device > 04a8aa1 lightnvm: expose gennvm_mark_blk to targets > > > These commits can not be reverted cleanly.=20