From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0486C27A92D; Thu, 15 Jan 2026 16:06:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768493207; cv=none; b=FIJvytX6aRt4ZnmdOi542vimhdyw0YJfYlz/WXj9vpWSBZKH1WCC/hAZXXNdlfgCWENkd2q+0oBNYeD6RUyeCADFBkZbE4FoGe7Zu5s9cwLsypbJruOq5+rrvLwz+jVERX2bMYs48VmVOosbGfWQfoF4VZOKmiHC0seH2MoC17M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768493207; c=relaxed/simple; bh=NVJo7J8yhwfa5AT6TXzZR3usJmOp8dPjAOt3Iy8w++8=; h=Date:From:To:Cc:Subject:Message-Id:Mime-Version:Content-Type; b=TMc2wx3HwKFE+8viz9RLeMOm7clZfwsavg5rdGNyHCsxLvUdEZWjvFHEaP85FLDTPyBlQuRfJ2xjHRpvc2A8j+MZI/N5mxth/qpMtKtjfWPt0bvHG7Xf5aPC8l4pQbPiIl9s5CGppIPs24bSs1ktEfoyYbVmnou9+finoEnaP8I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=o+X7fBAa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="o+X7fBAa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71BA7C116D0; Thu, 15 Jan 2026 16:06:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1768493206; bh=NVJo7J8yhwfa5AT6TXzZR3usJmOp8dPjAOt3Iy8w++8=; h=Date:From:To:Cc:Subject:From; b=o+X7fBAaEfqJPPICRdhNboEMHxZAgXFnck/0Zipxfls7scCDBDNtMvXh21cUdQzmT XdIGcHvv9YRXuA4CAJLu/uFR3j8iNq6K/bKznP/wX+eQ/I5jWiL9/nHv4H1b8i6hqT OgP7KRaNEH/IN+5s+TofyFY5UZzqi/unDV1sbu38= Date: Thu, 15 Jan 2026 08:06:45 -0800 From: Andrew Morton To: Linus Torvalds Cc: linux-mm@kvack.org, mm-commits@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [GIT PULL] hotfixes for 6.19-rc6 Message-Id: <20260115080645.3744d9e4178884f988d6366d@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Linus, please pull this batch of hotfixes, thanks. The following changes since commit 0f61b1860cc3f52aef9036d7235ed1f017632193: Linux 6.19-rc5 (2026-01-11 17:03:14 -1000) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-hotfixes-stable-2026-01-15-08-03 for you to fetch changes up to 3e8e590fd65d0572584ab7bba89a35e6d19931f1: drivers/dax: add some missing kerneldoc comment fields for struct dev_dax (2026-01-14 22:16:26 -0800) ---------------------------------------------------------------- 32 hotfixes. 16 are cc:stable, 24 are for MM. - four kerneldoc fixes from Bagas Sanjaya - four DAMON fixes from SeongJae - four mremap VMA-related fixes from Lorenzo - various singletons - please see the changelogs for details ---------------------------------------------------------------- Aboorva Devarajan (1): mm/page_alloc: make percpu_pagelist_high_fraction reads lock-free Bagas Sanjaya (4): mm: describe @flags parameter in memalloc_flags_save() textsearch: describe @list member in ts_ops search mm: vmalloc: fix up vrealloc_node_align() kernel-doc macro name mm, kfence: describe @slab parameter in __kfence_obj_info() Ben Dooks (1): mm: numa,memblock: include for 'numa_nodes_parsed' Carlos Llamas (1): iommu/sva: include mmu_notifier.h header Daniel Thompson (1): mailmap: add entry for Daniel Thompson Feng Tang (1): powerpc/watchdog: add support for hardlockup_sys_info sysctl John Groves (1): drivers/dax: add some missing kerneldoc comment fields for struct dev_dax Lorenzo Stoakes (5): mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge tools/testing/selftests: add tests for !tgt, src mremap() merges mm/vma: enforce VMA fork limit on unfaulted,faulted mremap merge too tools/testing/selftests: add forked (un)/faulted VMA merge tests tools/testing/selftests: fix gup_longterm for unknown fs Marco Elver (1): docs: kernel-parameters: add kfence parameters Mike Rapoport (Microsoft) (1): mips: fix HIGHMEM initialization Pasha Tatashin (1): kho: validate preserved memory map during population Pavel Butsykin (1): mm/zswap: fix error pointer free in zswap_cpu_comp_prepare() Ryan Roberts (1): mm: kmsan: fix poisoning of high-order non-compound pages SeongJae Park (5): mm/damon/core: remove call_control in inactive contexts mm/damon/sysfs: cleanup intervals subdirs on attrs dir setup failure mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure mm/damon/sysfs-scheme: cleanup quotas subdirs on scheme dir setup failure mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure Shakeel Butt (2): lib/buildid: use __kernel_read() for sleepable context mm/damon/core: get memcg reference before access Sourabh Jain (1): mm/hugetlb: ignore hugepage kernel args if hugepages are unsupported Szymon Wilczek (1): mailmap: update email address for Szymon Wilczek Vlastimil Babka (1): mm/page_alloc: prevent pcp corruption with SMP=n .mailmap | 2 + Documentation/admin-guide/kernel-parameters.txt | 35 +++ arch/mips/mm/init.c | 23 ++ arch/powerpc/kernel/watchdog.c | 15 +- drivers/dax/dax-private.h | 10 +- drivers/iommu/iommu-sva.c | 1 + include/linux/kfence.h | 1 + include/linux/nmi.h | 1 + include/linux/sched/mm.h | 1 + include/linux/textsearch.h | 1 + kernel/liveupdate/kexec_handover.c | 37 +-- kernel/watchdog.c | 2 +- lib/buildid.c | 32 +- mm/damon/core.c | 41 ++- mm/damon/sysfs-schemes.c | 10 +- mm/damon/sysfs.c | 9 +- mm/hugetlb.c | 16 + mm/kmsan/shadow.c | 2 +- mm/numa_memblks.c | 2 + mm/page_alloc.c | 57 +++- mm/vma.c | 111 ++++--- mm/vma.h | 3 + mm/vmalloc.c | 2 +- mm/zswap.c | 2 +- tools/testing/selftests/mm/gup_longterm.c | 2 +- tools/testing/selftests/mm/merge.c | 384 ++++++++++++++++++++++-- 26 files changed, 674 insertions(+), 128 deletions(-)