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From: Chen Jun <chenjun102@huawei.com>
To: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Cc: <catalin.marinas@arm.com>, <akpm@linux-foundation.org>,
	<rui.xiang@huawei.com>, <weiyongjun1@huawei.com>
Subject: [PATCH -next 0/5] mm/kmemleak:support for percpu memory leak detect
Date: Mon, 21 Sep 2020 02:00:02 +0000	[thread overview]
Message-ID: <20200921020007.35803-1-chenjun102@huawei.com> (raw)

Currently the reporting of the percpu chunks leaking problem are not supported.
This patch set introduce this feature.

PATCH 1-2 do some cleanup to current kmemleak.
PATCH 3 make percpu memleak works.
PATCH 4-5 add test case for percpu memleak detector.

Following links are some real cases detected by it:
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71e843295c680898959b22dc877ae3839cc22470
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=667e57da358f61b6966e12e925a69e42d912e8bb

*** BLURB HERE ***

Chen Jun (1):
  mm/kmemleak-test: Add a test case for alloc_percpu

Wei Yongjun (4):
  mm/kmemleak: make create_object return void
  mm/kmemleak: skip update_checksum for OBJECT_NO_SCAN objects
  mm/kmemleak: Add support for percpu memory leak detect
  mm/kmemleak-test: use %px instead of %p in print

 mm/kmemleak-test.c | 37 ++++++++++++----------
 mm/kmemleak.c      | 79 +++++++++++++++++++++++++++++++++++++---------
 2 files changed, 84 insertions(+), 32 deletions(-)

-- 
2.25.0



             reply	other threads:[~2020-09-21  2:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21  2:00 Chen Jun [this message]
2020-09-21  2:00 ` [PATCH -next 1/5] mm/kmemleak: make create_object return void Chen Jun
2020-09-22  9:57   ` Catalin Marinas
2020-09-21  2:00 ` [PATCH -next 2/5] mm/kmemleak: skip update_checksum for OBJECT_NO_SCAN objects Chen Jun
2020-09-22  9:03   ` Catalin Marinas
2020-09-21  2:00 ` [PATCH -next 3/5] mm/kmemleak: Add support for percpu memory leak detect Chen Jun
2020-09-22  9:57   ` Catalin Marinas
2020-09-28 14:08     ` chenjun (AM)
2020-09-28 14:16       ` Catalin Marinas
2020-09-21  2:00 ` [PATCH -next 4/5] mm/kmemleak-test: use %px instead of %p in print Chen Jun
2020-09-22  9:58   ` Catalin Marinas
2020-09-21  2:00 ` [PATCH -next 5/5] mm/kmemleak-test: Add a test case for alloc_percpu Chen Jun

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