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Message-Id: <20250402221540.435857db0b10cfeb489ae299@linux-foundation.org>
Date: Wed, 2 Apr 2025 22:15:40 -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] Additional MM updates for 6.15-rc1
Linus, please this second set of MM updates.
A couple of series which were dependent on -tip patches and a few
stragglers and latecomers.
I'm not seeing any merge issues with this batch,
Thanks.
The following changes since commit 25601e85441dd91cf7973b002f27af4c5b8691ea:
Merge tag 'char-misc-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc (2025-04-01 11:26:08 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-stable-2025-04-02-22-07
for you to fetch changes up to e20706d5385b10a6f6a2fe5ad6b1333dad2d1416:
mseal sysmap: add arch-support txt (2025-04-01 15:17:17 -0700)
----------------------------------------------------------------
- The 2 patch series "mm: fixes for fallouts from mem_init() cleanup"
from Mike Rapoport fixes a couple of issues with the just-merged "arch,
mm: reduce code duplication in mem_init()" series.
- The 4 patch series "MAINTAINERS: add my isub-entries to MM part." from
Mike Rapoport does some maintenance on MAINTAINERS.
- The 6 patch series "remove tlb_remove_page_ptdesc()" from Qi Zheng
does some cleanup work to the page mapping code.
- The 7 patch series "mseal system mappings" from Jeff Xu permits
sealing of "system mappings", such as vdso, vvar, vvar_vclock, vectors
(arm compat-mode), sigpage (arm compat-mode).
- Plus the usual shower of singleton patches.
----------------------------------------------------------------
Harry Yoo (1):
mm/kasan: use SLAB_NO_MERGE flag instead of an empty constructor
Heiko Carstens (2):
mseal sysmap: generic vdso vvar mapping
mseal sysmap: enable s390
Jeff Xu (8):
mseal sysmap: kernel config and header change
selftests: x86: test_mremap_vdso: skip if vdso is msealed
mseal sysmap: enable x86-64
mseal sysmap: enable arm64
mseal sysmap: uprobe mapping
mseal sysmap: update mseal.rst
selftest: test system mappings are sealed
mseal sysmap: add arch-support txt
Jinjiang Tu (1):
mm/memory_hotplug: fix call folio_test_large with tail page in do_migrate_range
Johannes Weiner (1):
mm: page_alloc: fix defrag_mode's retry & OOM path
Li Wang (1):
selftest/mm: va_high_addr_switch: add ppc64 support check
Lorenzo Stoakes (1):
mm/mremap: do not set vrm->vma NULL immediately prior to checking it
Mike Rapoport (Microsoft) (6):
mm/mm_init: init holes in the end of the memory map for FLATMEM
memblock: don't release high memory to page allocator when HIGHMEM is off
MAINTAINERS: fixup USERFAULTFD entry
MAINTAINERS: mm: add entry for execmem
MAINTAINERS: mm: add entry for numa memblocks and numa emulation
MAINTAINERS: mm: add entry for secretmem
Peter Xu (1):
MAINTAINERS: add peterx as userfaultfd reviewer
Qi Zheng (6):
mm: pgtable: make generic tlb_remove_table() use struct ptdesc
mm: pgtable: change pt parameter of tlb_remove_ptdesc() to struct ptdesc*
mm: pgtable: convert some architectures to use tlb_remove_ptdesc()
riscv: pgtable: unconditionally use tlb_remove_ptdesc()
x86: pgtable: convert to use tlb_remove_ptdesc()
mm: pgtable: remove tlb_remove_page_ptdesc()
Taotao Chen (1):
mm/damon/core: simplify control flow in damon_register_ops()
Wei Yang (1):
microblaze/mm: put mm_cmdline_setup() in .init.text section
Ye Liu (1):
mm/page_alloc: replace flag check with PageHWPoison() in check_new_page_bad()
.../core/mseal_sys_mappings/arch-support.txt | 30 ++++++
Documentation/userspace-api/mseal.rst | 21 ++++
MAINTAINERS | 39 +++++++
arch/arm64/Kconfig | 1 +
arch/arm64/kernel/vdso.c | 9 +-
arch/csky/include/asm/pgalloc.h | 7 +-
arch/hexagon/include/asm/pgalloc.h | 7 +-
arch/loongarch/include/asm/pgalloc.h | 7 +-
arch/m68k/include/asm/sun3_pgalloc.h | 7 +-
arch/microblaze/mm/init.c | 2 +-
arch/mips/include/asm/pgalloc.h | 7 +-
arch/nios2/include/asm/pgalloc.h | 7 +-
arch/openrisc/include/asm/pgalloc.h | 7 +-
arch/riscv/include/asm/pgalloc.h | 26 +----
arch/s390/Kconfig | 1 +
arch/s390/kernel/vdso.c | 2 +-
arch/sh/include/asm/pgalloc.h | 7 +-
arch/um/include/asm/pgalloc.h | 21 ++--
arch/x86/Kconfig | 1 +
arch/x86/entry/vdso/vma.c | 5 +-
arch/x86/mm/pgtable.c | 8 +-
include/asm-generic/tlb.h | 14 +--
include/linux/mm.h | 10 ++
init/Kconfig | 22 ++++
kernel/events/uprobes.c | 3 +-
lib/vdso/datastore.c | 3 +-
mm/damon/core.c | 9 +-
mm/kasan/kasan_test_c.c | 5 +-
mm/memblock.c | 3 +
mm/memory_hotplug.c | 12 +--
mm/mm_init.c | 12 +--
mm/mremap.c | 3 +-
mm/page_alloc.c | 6 +-
security/Kconfig | 21 ++++
tools/testing/selftests/Makefile | 1 +
tools/testing/selftests/mm/va_high_addr_switch.sh | 28 +++++
.../selftests/mseal_system_mappings/.gitignore | 2 +
.../selftests/mseal_system_mappings/Makefile | 6 ++
.../testing/selftests/mseal_system_mappings/config | 1 +
.../mseal_system_mappings/sysmap_is_sealed.c | 119 +++++++++++++++++++++
tools/testing/selftests/x86/test_mremap_vdso.c | 43 ++++++++
41 files changed, 417 insertions(+), 128 deletions(-)
create mode 100644 Documentation/features/core/mseal_sys_mappings/arch-support.txt
create mode 100644 tools/testing/selftests/mseal_system_mappings/.gitignore
create mode 100644 tools/testing/selftests/mseal_system_mappings/Makefile
create mode 100644 tools/testing/selftests/mseal_system_mappings/config
create mode 100644 tools/testing/selftests/mseal_system_mappings/sysmap_is_sealed.c
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