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Pasha Tatashin 36f8f7ef7f kho: add interfaces to unpreserve folios, page ranges, and vmalloc 
Allow users of KHO to cancel the previous preservation by adding the
necessary interfaces to unpreserve folio, pages, and vmallocs.

Link: https://lkml.kernel.org/r/20251101142325.1326536-4-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
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: 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>
2025-11-27 14:24:32 -08:00
..
bpf
bpf: Conditionally include dynptr copy kfuncs
2025-10-24 09:44:47 -07:00
cgroup
Merge tag 'cgroup-for-6.18-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2025-10-20 09:41:27 -10:00
configs
hung_task: panic when there are more than N hung tasks at the same time
2025-11-12 10:00:14 -08:00
debug
kdb: remove redundant check for scancode 0xe0
2025-09-20 21:19:09 +01:00
dma
dma-debug: don't report false positives with DMA_BOUNCE_UNALIGNED_KMALLOC
2025-10-15 13:24:33 -07:00
entry
Merge tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2025-10-07 08:40:15 -07:00
events
perf/core: Fix system hang caused by cpu-clock usage
2025-11-03 11:04:19 +01:00
futex
futex: Optimize per-cpu reference counting
2025-11-06 12:30:54 +01:00
gcov
gcov: add support for GCC 15
2025-11-09 21:19:44 -08:00
irq
genirq/manage: Add buslock back in to enable_irq()
2025-10-24 11:38:39 +02:00
kcsan
Merge tag 'kcsan-20250929-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux
2025-10-02 08:31:44 -07:00
livepatch
sched,livepatch: Untangle cond_resched() and live-patching
2025-05-14 13:16:24 +02:00
locking
locking/local_lock: Introduce local_lock_is_locked().
2025-09-29 09:42:35 +02:00
module
taint/module: remove unnecessary taint_flag.module field
2025-11-12 10:00:15 -08:00
power
PM: sleep: Allow pm_restrict_gfp_mask() stacking
2025-10-29 18:55:32 +01:00
printk
Merge tag 'printk-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2025-10-04 11:13:11 -07:00
rcu
Merge tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2025-10-07 08:40:15 -07:00
sched
sched/fair: Prevent cfs_rq from being unthrottled with zero runtime_remaining
2025-11-06 12:30:52 +01:00
time
timekeeping: Fix aux clocks sysfs initialization loop bound
2025-10-20 19:56:12 +02:00
trace
Merge tag 'trace-v6.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2025-11-07 08:07:11 -08:00
unwind
unwind: Finish up unwind when a task exits
2025-07-31 10:20:11 -04:00
.gitignore
kheaders: rebuild kheaders_data.tar.xz when a file is modified within a minute
2025-06-24 20:30:37 +09:00
acct.c
kernel/acct.c: saner struct file treatment
2025-09-27 20:13:56 -04:00
async.c
…
audit_fsnotify.c
VFS/audit: introduce kern_path_parent() for audit
2025-09-23 12:37:35 +02:00
audit_tree.c
Merge tag 'pull-mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2025-10-03 10:19:44 -07:00
audit_watch.c
VFS/audit: introduce kern_path_parent() for audit
2025-09-23 12:37:35 +02:00
audit.c
audit: fix skb leak when audit rate limit is exceeded
2025-09-10 19:55:00 -04:00
audit.h
audit: create audit_stamp structure
2025-08-30 10:15:28 -04:00
auditfilter.c
Merge tag 'audit-pr-20250926' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2025-09-30 08:22:16 -07:00
auditsc.c
audit: add record for multiple object contexts
2025-08-30 10:15:30 -04:00
backtracetest.c
…
bounds.c
…
capability.c
capability: Remove unused has_capability
2025-03-07 22:03:09 -06:00
cfi.c
cfi: Move BPF CFI types and helpers to generic code
2025-07-31 18:23:53 -07:00
compat.c
…
configs.c
…
context_tracking.c
context_tracking: Make RCU watch ct_kernel_exit_state() warning
2025-03-04 18:44:29 -08:00
cpu_pm.c
…
cpu.c
cpu: Remove obsolete comment from takedown_cpu()
2025-08-06 22:48:12 +02:00
crash_core_test.c
crash: add KUnit tests for crash_exclude_mem_range
2025-09-13 17:32:55 -07:00
crash_core.c
crash: fix crashkernel resource shrink
2025-11-15 10:52:01 -08:00
crash_dump_dm_crypt.c
crash_dump: retrieve dm crypt keys in kdump kernel
2025-05-21 10:48:21 -07:00
crash_reserve.c
crash: let architecture decide crash memory export to iomem_resource
2025-11-12 10:00:15 -08:00
cred.c
copy_process: pass clone_flags as u64 across calltree
2025-09-01 15:31:34 +02:00
delayacct.c
delayacct: remove redundant code and adjust indentation
2025-05-27 19:40:33 -07:00
dma.c
…
elfcorehdr.c
…
exec_domain.c
…
exit.c
release_task: kill unnecessary rcu_read_lock() around dec_rlimit_ucounts()
2025-11-12 10:00:17 -08:00
exit.h
…
extable.c
…
fail_function.c
…
fork.c
fork: stop ignoring NUMA while handling cached thread stacks
2025-11-27 14:24:31 -08:00
freezer.c
mm/oom_kill: thaw the entire OOM victim process
2025-09-21 14:22:35 -07:00
gen_kheaders.sh
kheaders: make it possible to override TAR
2025-08-06 10:23:36 +09:00
groups.c
…
hung_task.c
hung_task: add hung_task_sys_info sysctl to dump sys info on task-hung
2025-11-20 14:03:43 -08:00
iomem.c
mm/memremap: Pass down MEMREMAP_* flags to arch_memremap_wb()
2025-02-21 15:05:38 +01:00
irq_work.c
…
jump_label.c
jump_label: Use RCU in all users of __module_text_address().
2025-03-10 11:54:46 +01:00
kallsyms_internal.h
…
kallsyms_selftest.c
kallsyms: use kmalloc_array() instead of kmalloc()
2025-09-28 11:36:14 -07:00
kallsyms_selftest.h
…
kallsyms.c
bpf: Clean up individual BTF_ID code
2025-07-16 18:34:42 -07:00
kcmp.c
kcmp: improve performance adding an unlikely hint to task comparisons
2025-02-21 10:25:33 +01:00
Kconfig.freezer
…
Kconfig.hz
kernel: Fix "select" wording on HZ_250 description
2025-02-21 09:20:30 +01:00
Kconfig.kexec
kho: make debugfs interface optional
2025-11-27 14:24:31 -08:00
Kconfig.locks
…
Kconfig.preempt
softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT
2025-09-17 16:25:41 +02:00
kcov.c
kcov: use write memory barrier after memcpy() in kcov_move_area()
2025-09-13 17:32:44 -07:00
kexec_core.c
kexec_core: remove superfluous page offset handling in segment loading
2025-11-12 10:00:13 -08:00
kexec_elf.c
kexec: initialize ELF lowest address to ULONG_MAX
2025-03-16 22:30:47 -07:00
kexec_file.c
x86/kexec: carry forward the boot DTB on kexec
2025-09-13 17:32:43 -07:00
kexec_handover_debug.c
kho: warn and fail on metadata or preserved memory in scratch area
2025-11-09 21:19:41 -08:00
kexec_handover_debugfs.c
kho: drop notifiers
2025-11-27 14:24:32 -08:00
kexec_handover_internal.h
kho: drop notifiers
2025-11-27 14:24:32 -08:00
kexec_handover.c
kho: add interfaces to unpreserve folios, page ranges, and vmalloc
2025-11-27 14:24:32 -08:00
kexec_internal.h
kexec: enable CMA based contiguous allocation
2025-08-02 12:01:38 -07:00
kexec.c
kexec: enable CMA based contiguous allocation
2025-08-02 12:01:38 -07:00
kheaders.c
…
kprobes.c
kprobes: Add missing kerneldoc for __get_insn_slot
2025-07-15 18:45:34 +09:00
kstack_erase.c
stackleak: Rename stackleak_track_stack to __sanitizer_cov_stack_depth
2025-07-21 21:40:39 -07:00
ksyms_common.c
…
ksysfs.c
crash: export crashkernel CMA reservation to userspace
2025-11-20 14:03:44 -08:00
kthread.c
ipvs: Fix estimator kthreads preferred affinity
2025-08-13 08:34:33 +02:00
latencytop.c
…
Makefile
kho: make debugfs interface optional
2025-11-27 14:24:31 -08:00
module_signature.c
…
notifier.c
…
nscommon.c
ns: drop assert
2025-09-25 09:23:54 +02:00
nsproxy.c
Merge tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2025-09-29 11:20:29 -07:00
nstree.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
padata.c
padata: WQ_PERCPU added to alloc_workqueue users
2025-09-13 12:11:06 +08:00
panic.c
panic: sys_info: align constant definition names with parameters
2025-11-20 14:03:40 -08:00
params.c
params: Replace deprecated strcpy() with strscpy() and memcpy()
2025-08-16 21:47:25 +02:00
pid_namespace.c
Merge tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2025-09-29 11:20:29 -07:00
pid_sysctl.h
…
pid.c
Merge tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2025-09-29 11:20:29 -07:00
profile.c
…
ptrace.c
ptrace: introduce PTRACE_SET_SYSCALL_INFO request
2025-05-11 17:48:15 -07:00
range.c
…
reboot.c
Merge tag 'mm-nonmm-stable-2025-03-30-18-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-04-01 10:06:52 -07:00
regset.c
…
relay.c
relayfs: support a counter tracking if data is too big to write
2025-07-09 22:57:52 -07:00
resource_kunit.c
…
resource.c
resource: improve child resource handling in release_mem_region_adjustable()
2025-09-21 14:22:34 -07:00
rseq.c
rseq: Protect event mask against membarrier IPI
2025-09-13 19:51:59 +02:00
scftorture.c
…
scs.c
scs: fix a wrong parameter in __scs_magic
2025-11-12 10:00:13 -08:00
seccomp.c
Merge tag 'perf-core-2025-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-09-30 11:11:21 -07:00
signal.c
signal: Fix memory leak for PIDFD_SELF* sentinels
2025-08-19 13:51:28 +02:00
smp.c
smp: Fix up and expand the smp_call_function_many() kerneldoc
2025-09-18 22:21:28 +02:00
smpboot.c
sched/smp: Use the SMP version of idle_thread_set_boot_cpu()
2025-06-13 08:47:20 +02:00
smpboot.h
…
softirq.c
softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT
2025-09-17 16:25:41 +02:00
stacktrace.c
…
static_call_inline.c
Merge tag 'modules-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
2025-03-30 15:44:36 -07:00
static_call.c
…
stop_machine.c
sched/core: Fix migrate_swap() vs. hotplug
2025-07-01 15:02:03 +02:00
sys_ni.c
uprobes/x86: Add uprobe syscall to speed up uprobe
2025-08-21 20:09:20 +02:00
sys.c
Merge tag 'mm-nonmm-stable-2025-10-02-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-10-02 18:44:54 -07:00
sysctl-test.c
sysctl: move u8 register test to lib/test_sysctl.c
2025-04-14 14:13:41 +02:00
sysctl.c
sysctl: rename kern_table -> sysctl_subsys_table
2025-07-23 11:56:02 +02:00
task_work.c
…
taskstats.c
…
torture.c
torture: Delay CPU-hotplug operations until boot completes
2025-08-14 15:26:30 -07:00
tracepoint.c
tracepoint: Print the function symbol when tracepoint_debug is set
2025-03-21 15:30:10 -04:00
tsacct.c
pid: change bacct_add_tsk() to use task_ppid_nr_ns()
2025-08-19 13:38:20 +02:00
ucount.c
ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below()
2025-08-02 12:01:38 -07:00
uid16.c
…
uid16.h
…
umh.c
…
up.c
…
user_namespace.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
user-return-notifier.c
…
user.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
utsname_sysctl.c
…
utsname.c
Merge tag 'namespace-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2025-09-29 11:20:29 -07:00
vhost_task.c
vhost: Take a reference on the task in struct vhost_task.
2025-09-21 17:44:20 -04:00
vmcore_info.c
crash: export PAGE_UNACCEPTED_MAPCOUNT_VALUE to vmcoreinfo
2025-05-11 17:54:04 -07:00
watch_queue.c
Merge tag 'vfs-6.15-rc1.pipe' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2025-03-24 09:52:37 -07:00
watchdog_buddy.c
watchdog: fix opencoded cpumask_next_wrap() in watchdog_next_cpu()
2025-07-31 11:28:03 -04:00
watchdog_perf.c
watchdog: skip checks when panic is in progress
2025-09-13 17:32:53 -07:00
watchdog.c
watchdog: add sys_info sysctls to dump sys info on system lockup
2025-11-20 14:03:43 -08:00
workqueue_internal.h
…
workqueue.c
workqueue: WQ_PERCPU added to alloc_workqueue users
2025-09-16 10:33:53 -10:00