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Message-Id: <20230407162606.d7dd8c829b53a01f7c9f16d6@linux-foundation.org>
Date: Fri, 7 Apr 2023 16:26:06 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
mm-commits@...r.kernel.org
Subject: [GIT PULL] hotfixes for 6.3-rc6
Linus, please merge another batch of hotfixes, thanks.
The following changes since commit 197b6b60ae7bc51dd0814953c562833143b292aa:
Linux 6.3-rc4 (2023-03-26 14:40:20 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-hotfixes-stable-2023-04-07-16-23
for you to fetch changes up to c45ea315a602d45569b08b93e9ab30f6a63a38aa:
maple_tree: fix a potential concurrency bug in RCU mode (2023-04-05 18:06:25 -0700)
----------------------------------------------------------------
28 hotfixes.
23 are cc:stable and the other 5 address issues which were introduced
during this merge cycle.
20 are for MM and the remainder are for other subsystems.
----------------------------------------------------------------
Alistair Popple (1):
mm: take a page reference when removing device exclusive entries
Florian Fainelli (1):
mailmap: add an entry for Leonard Crestez
Leonard Göhrs (1):
.mailmap: add entry for Leonard Göhrs
Liam Howlett (4):
maple_tree: be more cautious about dead nodes
maple_tree: detect dead nodes in mas_start()
maple_tree: fix freeing of nodes in rcu mode
maple_tree: remove extra smp_wmb() from mas_dead_leaves()
Liam R. Howlett (4):
maple_tree: fix write memory barrier of nodes once dead for RCU mode
maple_tree: add smp_rmb() to dead node detection
maple_tree: add RCU lock checking to rcu callback functions
mm: enable maple tree RCU mode by default
Muchun Song (2):
mm: kfence: fix PG_slab and memcg_data clearing
mm: kfence: fix handling discontiguous page
Peng Zhang (2):
maple_tree: fix get wrong data_end in mtree_lookup_walk()
maple_tree: fix a potential concurrency bug in RCU mode
Peter Xu (1):
mm/hugetlb: fix uffd wr-protection for CoW optimization path
Rongwei Wang (1):
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
Ryusuke Konishi (2):
nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
nilfs2: fix sysfs interface lifetime
Sergey Senozhatsky (2):
zsmalloc: document new fullness grouping
zsmalloc: document freeable stats
Shiyang Ruan (3):
fsdax: unshare: zero destination if srcmap is HOLE or UNWRITTEN
fsdax: dedupe should compare the min of two iters' length
fsdax: force clear dirty mark if CoW
Tetsuo Handa (1):
nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
Tiezhu Yang (1):
lib/Kconfig.debug: correct help info of LOCKDEP_STACK_TRACE_HASH_BITS
Yafang Shao (1):
mm: vmalloc: avoid warn_alloc noise caused by fatal signal
ye xingchen (1):
Kconfig.debug: fix SCHED_DEBUG dependency
.mailmap | 2 +
Documentation/mm/zsmalloc.rst | 135 ++++++++++--------
fs/dax.c | 52 ++++++-
fs/nilfs2/btree.c | 1 +
fs/nilfs2/direct.c | 1 +
fs/nilfs2/segment.c | 3 +-
fs/nilfs2/super.c | 2 +
fs/nilfs2/the_nilfs.c | 12 +-
include/linux/mm_types.h | 3 +-
kernel/fork.c | 3 +
lib/Kconfig.debug | 4 +-
lib/maple_tree.c | 287 ++++++++++++++++++++++++++-------------
mm/hugetlb.c | 14 +-
mm/kfence/core.c | 32 ++---
mm/memory.c | 16 ++-
mm/mmap.c | 3 +-
mm/swapfile.c | 3 +-
mm/vmalloc.c | 8 +-
tools/testing/radix-tree/maple.c | 16 +++
19 files changed, 402 insertions(+), 195 deletions(-)
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