Kleber,
I finally had some time to narrow down what commit fixes this issue for
us today, below is the commit:
commit 7514c0362ffdd9af953ae94334018e7356b31313
Merge: 9322c47b21b9 428fc0aff4e5
Author: Linus Torvalds <torva...@linux-foundation.org>
Date: Sat Sep 5 13:28:40 2020 -0700
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"19 patches.
Subsystems affected by this patch series: MAINTAINERS, ipc, fork,
checkpatch, lib, and mm (memcg, slub, pagemap, madvise, migration,
hugetlb)"
* emailed patches from Andrew Morton <a...@linux-foundation.org>:
include/linux/log2.h: add missing () around n in roundup_pow_of_two()
mm/khugepaged.c: fix khugepaged's request size in collapse_file
mm/hugetlb: fix a race between hugetlb sysctl handlers
mm/hugetlb: try preferred node first when alloc gigantic page from cma
mm/migrate: preserve soft dirty in remove_migration_pte()
mm/migrate: remove unnecessary is_zone_device_page() check
mm/rmap: fixup copying of soft dirty and uffd ptes
mm/migrate: fixup setting UFFD_WP flag
mm: madvise: fix vma user-after-free
checkpatch: fix the usage of capture group ( ... )
fork: adjust sysctl_max_threads definition to match prototype
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
mm: track page table modifications in __apply_to_page_range()
MAINTAINERS: IA64: mark Status as Odd Fixes only
MAINTAINERS: add LLVM maintainers
MAINTAINERS: update Cavium/Marvell entries
mm: slub: fix conversion of freelist_corrupted()
mm: memcg: fix memcg reclaim soft lockup
memcg: fix use-after-free in uncharge_batch
I also verified that the latest available Ubuntu 18.04 kernel as of
today (5.4.0-1054.57~18.04.1) still hits this memory leak issue for us.
Please let me know if you need any further information from us to
hopefully get this fix pulled into the supported Ubuntu 18.04 AWS
kernel.
Thanks,
Paul
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https://bugs.launchpad.net/bugs/1925261
Title:
memory leak on AWS kernels when using docker
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