+ liveupdate-kho-move-to-kernel-liveupdate-fix.patch added to mm-nonmm-unstable branch

+ liveupdate-kho-move-to-kernel-liveupdate-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: liveupdate-kho-move-to-kernel-liveupdate-fix
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     liveupdate-kho-move-to-kernel-liveupdate-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/liveupdate-kho-move-to-kernel-liveupdate-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: liveupdate-kho-move-to-kernel-liveupdate-fix
Date: Tue Oct 14 07:46:59 PM PDT 2025

fix kho_preserve_vmalloc ENOMEM return, per Dan

Cc: Alexander Graf <graf@amazon.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Pratyush Yadav <pratyush@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/liveupdate/kexec_handover.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/kernel/liveupdate/kexec_handover.c~liveupdate-kho-move-to-kernel-liveupdate-fix
+++ a/kernel/liveupdate/kexec_handover.c
@@ -974,8 +974,10 @@ int kho_preserve_vmalloc(void *ptr, stru
 		chunk->phys[idx++] = phys;
 		if (idx == ARRAY_SIZE(chunk->phys)) {
 			chunk = new_vmalloc_chunk(chunk);
-			if (!chunk)
+			if (!chunk) {
+				err = -ENOMEM;
 				goto err_free;
+			}
 			idx = 0;
 		}
 	}
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-vmscan-remove-folio_test_private-check-in-pageout-fix.patch
mm-khugepaged-unify-pmd-folio-installation-with-map_anon_folio_pmd-fix.patch
mm-swap-do-not-choose-swap-device-according-to-numa-node-fix.patch
liveupdate-kho-move-to-kernel-liveupdate-fix.patch

+ liveupdate-kho-move-to-kernel-liveupdate-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: liveupdate-kho-move-to-kernel-liveupdate-fix
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     liveupdate-kho-move-to-kernel-liveupdate-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/liveupdate-kho-move-to-kernel-liveupdate-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Pasha Tatashin <pasha.tatashin@soleen.com>
Subject: liveupdate-kho-move-to-kernel-liveupdate-fix
Date: Sat, 8 Nov 2025 13:01:30 -0500

disable the menu when DEFERRED_STRUCT_PAGE_INIT

Link: https://lkml.kernel.org/r/CA+CK2bAvh9Oa2SLfsbJ8zztpEjrgr_hr-uGgF1coy8yoibT39A@mail.gmail.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Alexander Graf <graf@amazon.com>
Cc: Changyuan Lyu <changyuanl@google.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Pratyush Yadav <pratyush@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/liveupdate/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/kernel/liveupdate/Kconfig~liveupdate-kho-move-to-kernel-liveupdate-fix
+++ a/kernel/liveupdate/Kconfig
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 menu "Live Update and Kexec HandOver"
+	depends on !DEFERRED_STRUCT_PAGE_INIT
 
 config KEXEC_HANDOVER
 	bool "kexec handover"
_

Patches currently in -mm which might be from pasha.tatashin@soleen.com are

liveupdate-kho-warn-and-fail-on-metadata-or-preserved-memory-in-scratch-area.patch
liveupdate-kho-warn-and-fail-on-metadata-or-preserved-memory-in-scratch-area-fix-2.patch
liveupdate-kho-increase-metadata-bitmap-size-to-page_size.patch
liveupdate-kho-allocate-metadata-directly-from-the-buddy-allocator.patch
lib-test_kho-check-if-kho-is-enabled.patch
kho-make-debugfs-interface-optional.patch
kho-add-interfaces-to-unpreserve-folios-page-ranges-and-vmalloc.patch
memblock-unpreserve-memory-in-case-of-error.patch
test_kho-unpreserve-memory-in-case-of-error.patch
kho-dont-unpreserve-memory-during-abort.patch
liveupdate-kho-move-to-kernel-liveupdate.patch
liveupdate-kho-move-to-kernel-liveupdate-fix.patch
maintainers-update-kho-maintainers.patch
liveupdate-luo_core-luo_ioctl-live-update-orchestrator.patch
liveupdate-luo_core-integrate-with-kho.patch
reboot-call-liveupdate_reboot-before-kexec.patch
liveupdate-kconfig-make-debugfs-optional.patch
liveupdate-kho-when-live-update-add-kho-image-during-kexec-load.patch
liveupdate-luo_session-add-sessions-support.patch
liveupdate-luo_ioctl-add-user-interface.patch
liveupdate-luo_file-implement-file-systems-callbacks.patch
liveupdate-luo_session-add-ioctls-for-file-preservation-and-state-management.patch
liveupdate-luo_flb-introduce-file-lifecycle-bound-global-state.patch
docs-add-luo-documentation.patch
maintainers-add-liveupdate-entry.patch
selftests-liveupdate-add-userspace-api-selftests.patch
selftests-liveupdate-add-kexec-based-selftest-for-session-lifecycle.patch
selftests-liveupdate-add-kexec-test-for-multiple-and-empty-sessions.patch
tests-liveupdate-add-in-kernel-liveupdate-test.patch