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Hou Tao 0f24e540e7 bpf: Only allocate one bpf_mem_cache for bpf_cpumask_ma 
[ Upstream commit 5d5de3a431 ]

The size of bpf_cpumask is fixed, so there is no need to allocate many
bpf_mem_caches for bpf_cpumask_ma, just one bpf_mem_cache is enough.
Also add comments for bpf_mem_alloc_init() in bpf_mem_alloc.h to prevent
future miuse.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230216024821.2202916-1-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable-dep-of: 77473d1a96 ("bpf: Free struct bpf_cpumask in call_rcu handler")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-11 23:17:12 +09:00
..
bpf
bpf: Only allocate one bpf_mem_cache for bpf_cpumask_ma
2023-05-11 23:17:12 +09:00
cgroup
cgroup/cpuset: Make cpuset_attach_task() skip subpartitions CPUs for top_cpuset
2023-04-12 08:23:58 -10:00
configs
mm, slob: rename CONFIG_SLOB to CONFIG_SLOB_DEPRECATED
2022-12-01 00:09:20 +01:00
debug
kdb: use srcu console list iterator
2022-12-02 11:25:00 +01:00
dma
swiotlb: fix a braino in the alignment check fix
2023-04-06 16:45:12 +02:00
entry
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
2023-03-21 15:13:15 +01:00
events
perf/core: Fix the same task check in perf_event_set_output
2023-04-05 09:58:46 +02:00
futex
Merge tag 'locking_urgent_for_v6.2_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-01-01 11:15:05 -08:00
gcov
gcov: add support for checksum field
2022-12-21 14:31:52 -08:00
irq
Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-03-05 11:19:16 -08:00
kcsan
kcsan: Avoid READ_ONCE() in read_instrumented_memory()
2023-05-11 23:16:55 +09:00
livepatch
Merge tag 'livepatching-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
2023-02-23 14:00:10 -08:00
locking
Merge tag 'rcu.2023.02.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
2023-02-21 10:45:51 -08:00
module
Merge tag 'modules-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
2023-02-23 14:05:08 -08:00
power
Merge branches 'powercap', 'pm-domains', 'pm-em' and 'pm-opp'
2023-02-15 20:06:26 +01:00
printk
Merge tag 'printk-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2023-02-23 13:49:45 -08:00
rcu
rcu: Avoid stack overflow due to __rcu_irq_enter_check_tick() being kprobe-ed
2023-05-11 23:16:50 +09:00
sched
sched/fair: Fix imbalance overflow
2023-04-12 16:46:30 +02:00
time
tick/common: Align tick period with the HZ tick.
2023-05-11 23:17:10 +09:00
trace
tracing: Fix permissions for the buffer_percent file
2023-05-11 23:16:52 +09:00
.gitignore
…
acct.c
acct: fix potential integer overflow in encode_comp_t()
2022-11-30 16:13:18 -08:00
async.c
…
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
…
audit.c
…
audit.h
…
auditfilter.c
…
auditsc.c
capability: just use a 'u64' instead of a 'u32[2]' array
2023-03-01 10:01:22 -08:00
backtracetest.c
…
bounds.c
…
capability.c
capability: just use a 'u64' instead of a 'u32[2]' array
2023-03-01 10:01:22 -08:00
cfi.c
…
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-03-14 19:32:38 -07:00
configs.c
…
context_tracking.c
context_tracking: Fix noinstr vs KASAN
2023-01-13 11:48:18 +01:00
cpu_pm.c
cpuidle, cpu_pm: Remove RCU fiddling from cpu_pm_{enter,exit}()
2023-01-13 11:48:15 +01:00
cpu.c
cpu/hotplug: Do not bail-out in DYING/STARTING sections
2022-12-02 12:43:02 +01:00
crash_core.c
mm: remove 'First tail page' members from struct page
2023-02-02 22:32:59 -08:00
crash_dump.c
…
cred.c
cred: Do not default to init_cred in prepare_kernel_cred()
2022-11-01 10:04:52 -07:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2023-02-21 15:27:48 -08:00
extable.c
…
fail_function.c
kernel/fail_function: fix memory leak with using debugfs_lookup()
2023-02-08 13:36:22 +01:00
fork.c
mm: fix memory leak on mm_init error handling
2023-04-18 14:22:12 -07:00
freezer.c
…
gen_kheaders.sh
kheaders: use standard naming for the temporary directory
2023-01-22 23:43:34 +09:00
groups.c
…
hung_task.c
hung_task: print message when hung_task_warnings gets down to zero.
2023-02-09 17:03:20 -08:00
iomem.c
…
irq_work.c
…
jump_label.c
jump_label: Prevent key->enabled int overflow
2022-12-01 15:53:05 -08:00
kallsyms_internal.h
kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]
2022-11-12 18:47:36 -08:00
kallsyms_selftest.c
kallsyms: Fix scheduling with interrupts disabled in self-test
2023-01-13 15:09:08 -08:00
kallsyms_selftest.h
kallsyms: Add self-test facility
2022-11-15 00:42:02 -08:00
kallsyms.c
kallsyms: Add self-test facility
2022-11-15 00:42:02 -08:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
mm: replace vma->vm_flags direct modifications with modifier calls
2023-02-09 16:51:39 -08:00
kexec_core.c
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
kexec_elf.c
…
kexec_file.c
kexec: introduce sysctl parameters kexec_load_limit_*
2023-02-02 22:50:05 -08:00
kexec_internal.h
…
kexec.c
kexec: introduce sysctl parameters kexec_load_limit_*
2023-02-02 22:50:05 -08:00
kheaders.c
kheaders: Use array declaration instead of char
2023-05-11 23:16:49 +09:00
kmod.c
…
kprobes.c
x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
2023-02-21 08:49:16 +09:00
ksysfs.c
kernels/ksysfs.c: export kernel address bits
2023-01-20 14:30:45 +01:00
kthread.c
kthread_worker: check all delayed works when destroy kthread worker
2023-02-02 22:50:02 -08:00
latencytop.c
…
Makefile
Merge tag 'hardening-v6.2-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2022-12-23 12:00:24 -08:00
module_signature.c
…
notifier.c
kernel/notifier: Remove CONFIG_SRCU
2023-02-02 16:26:06 -08:00
nsproxy.c
fs/exec: switch timens when a task gets a new mm
2022-10-25 15:15:52 -07:00
padata.c
Merge tag 'kbuild-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-12-19 12:33:32 -06:00
panic.c
panic: fix the panic_print NMI backtrace setting
2023-03-02 21:54:23 -08:00
params.c
kernel/params.c: Use kstrtobool() instead of strtobool()
2023-01-25 14:07:21 -08:00
pid_namespace.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
pid_sysctl.h
mm/memfd: add MFD_NOEXEC_SEAL and MFD_EXEC
2023-01-18 17:12:37 -08:00
pid.c
…
profile.c
…
ptrace.c
rseq: Introduce extensible rseq ABI
2022-12-27 12:52:10 +01:00
range.c
…
reboot.c
…
regset.c
…
relay.c
relayfs: fix out-of-bounds access in relay_file_read
2023-05-11 23:16:51 +09:00
resource_kunit.c
…
resource.c
dax/kmem: Fix leak of memory-hotplug resources
2023-02-17 14:58:01 -08:00
rseq.c
rseq: Extend struct rseq with per-memory-map concurrency ID
2022-12-27 12:52:12 +01:00
scftorture.c
…
scs.c
scs: add support for dynamic shadow call stacks
2022-11-09 18:06:35 +00:00
seccomp.c
seccomp: fix kernel-doc function name warning
2023-01-13 17:01:06 -08:00
signal.c
sched: Introduce per-memory-map concurrency ID
2022-12-27 12:52:11 +01:00
smp.c
…
smpboot.c
…
smpboot.h
…
softirq.c
…
stackleak.c
…
stacktrace.c
…
static_call_inline.c
…
static_call.c
…
stop_machine.c
…
sys_ni.c
…
sys.c
kernel/sys.c: fix and improve control flow in __sys_setres[ug]id()
2023-04-18 14:22:12 -07:00
sysctl-test.c
…
sysctl.c
sysctl: fix proc_dobool() usability
2023-02-21 13:34:07 -08:00
task_work.c
…
taskstats.c
…
torture.c
torture: Fix hang during kthread shutdown phase
2023-01-05 12:10:35 -08:00
tracepoint.c
tracepoint: Allow livepatch module add trace event
2023-02-18 14:34:36 -05:00
tsacct.c
…
ucount.c
…
uid16.c
…
uid16.h
…
umh.c
umh: simplify the capability pointer logic
2023-03-03 16:18:19 -08:00
up.c
…
user_namespace.c
userns: fix a struct's kernel-doc notation
2023-02-02 22:50:04 -08:00
user-return-notifier.c
…
user.c
kernel/user: Allow user_struct::locked_vm to be usable for iommufd
2022-11-30 20:16:49 -04:00
usermode_driver.c
…
utsname_sysctl.c
kernel/utsname_sysctl.c: Fix hostname polling
2022-10-23 12:01:01 -07:00
utsname.c
…
watch_queue.c
watch_queue: fix IOC_WATCH_QUEUE_SET_SIZE alloc error paths
2023-03-08 11:44:45 +01:00
watchdog_hld.c
…
watchdog.c
…
workqueue_internal.h
…
workqueue.c
workqueue: Fold rebind_worker() within rebind_workers()
2023-01-13 07:50:40 -10:00