[-next,0/5] mm/kmemleak：support for percpu memory leak detect

Message

Chen Jun Sept. 21, 2020, 2 a.m. UTC

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(-)