Wang Wensheng f58d687630 ftrace: Optimize the allocation for mcount entries ...

commit bcea02b096 upstream.

If we can't allocate this size, try something smaller with half of the
size. Its order should be decreased by one instead of divided by two.

Link: https://lkml.kernel.org/r/20221109094434.84046-3-wangwensheng4@huawei.com

Cc: <mhiramat@kernel.org>
Cc: <mark.rutland@arm.com>
Cc: stable@vger.kernel.org
Fixes: a790087554 ("ftrace: Allocate the mcount record pages as groups")
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-11-25 17:35:40 +01:00

..

blktrace.c

blktrace: Fix uaf in blk_trace access after removing by sysfs

2021-10-06 10:23:40 +02:00

bpf_trace.c

bpf: fix check of allowed specifiers in bpf_trace_printk

2018-12-17 09:38:33 +01:00

ftrace.c

ftrace: Optimize the allocation for mcount entries

2022-11-25 17:35:40 +01:00

Kconfig

Stop the ad-hoc games with -Wno-maybe-initialized

2020-05-20 08:15:37 +02:00

Makefile

Disable the __builtin_return_address() warning globally after all

2016-10-12 10:23:41 -07:00

power-traces.c

cpufreq: schedutil: New governor based on scheduler utilization data

2016-04-02 01:09:12 +02:00

ring_buffer_benchmark.c

ring_buffer: Remove unneeded smp_wmb() before wakeup of reader benchmark

2015-11-03 16:19:02 -05:00

ring_buffer.c

ring-buffer: Fix race between reset page and reading page

2022-10-26 13:15:38 +02:00

rpm-traces.c

…

trace_benchmark.c

tracing: Only benchmark the time tracepoints take if tracing is on

2015-11-02 13:34:58 -05:00

trace_benchmark.h

tracing: Add tracepoint benchmark tracepoint

2014-05-29 22:49:54 -04:00

trace_branch.c

tracing: Remove {start,stop}_branch_trace

2015-10-21 10:10:09 -04:00

trace_clock.c

tracing: Do no increment trace_clock_global() by one

2021-06-30 08:49:17 -04:00

trace_entries.h

tracing: Set kernel_stack's caller size properly

2020-10-01 20:40:05 +02:00

trace_event_perf.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2016-05-17 16:26:30 -07:00

trace_events_filter_test.h

…

trace_events_filter.c

tracing: Fix regex_match_front() to not over compare the test string

2018-05-16 10:08:43 +02:00

trace_events_hist.c

tracing: Do not reference char * as a string in histograms

2021-07-20 16:21:11 +02:00

trace_events_trigger.c

tracing: Fix event trigger to accept redundant spaces

2020-06-30 15:38:45 -04:00

trace_events.c

tracing: Check pid filtering when creating events

2021-12-08 08:45:03 +01:00

trace_export.c

tracing: ftrace_event_is_function() can return boolean

2015-11-02 14:28:05 -05:00

trace_functions_graph.c

tracing: Fix missing return symbol in function_graph output

2018-07-11 16:26:43 +02:00

trace_functions.c

tracing: Have all levels of checks prevent recursion

2021-10-27 09:34:01 +02:00

trace_hwlat.c

tracing/hwlat: Honor the tracing_cpumask

2020-08-26 10:29:03 +02:00

trace_irqsoff.c

tracing: Remove redundant reset per-CPU buff in irqsoff tracer

2016-03-18 16:39:11 -04:00

trace_kdb.c

tracing: Silence GCC 9 array bounds warning

2019-07-10 09:55:28 +02:00

trace_kprobe.c

tracing: Quiet gcc warning about maybe unused link variable

2018-08-03 07:55:12 +02:00

trace_mmiotrace.c

tracing: Expose CPU physical addresses (resource values) for PCI devices

2016-06-20 09:54:22 -04:00

trace_nop.c

tracing: Fix typoes in code comment and printk in trace_nop.c

2016-03-08 11:23:57 -05:00

trace_output.c

tracing: Add NMI tracing in hwlat detector

2016-09-02 12:47:55 -04:00

trace_output.h

tracing: Turn seq_print_user_ip() into a static function

2015-09-28 10:16:12 -04:00

trace_printk.c

tracing: Handle NULL formats in hold_module_trace_bprintk_format()

2016-06-20 09:46:12 -04:00

trace_probe.c

tracing: probeevent: Fix to support minus offset from symbol

2018-03-28 18:39:23 +02:00

trace_probe.h

tracing: probeevent: Fix to support minus offset from symbol

2018-03-28 18:39:23 +02:00

trace_sched_switch.c

sched/core: Fix trace_sched_switch()

2015-10-06 17:08:15 +02:00

trace_sched_wakeup.c

kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail

2020-01-14 20:04:26 +01:00

trace_selftest_dynamic.c

…

trace_selftest.c

ftrace: Handle tracing when switching between context

2020-11-10 10:24:02 +01:00

trace_seq.c

tracing: use %*pb[l] to print bitmaps including cpumasks and nodemasks

2015-02-13 21:21:37 -08:00

trace_stack.c

tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined

2020-01-14 20:04:26 +01:00

trace_stat.c

tracing: Fix very unlikely race of registering two stat tracers

2020-02-28 15:42:21 +01:00

trace_stat.h

…

trace_syscalls.c

tracing/syscalls: fix multiline in error message text

2016-09-29 10:25:23 +02:00

trace_uprobe.c

tracing/uprobes: Fix output for multiple string arguments

2019-02-20 10:18:32 +01:00

trace.c

tracing: Avoid adding tracer option before update_tracer_options

2022-06-14 16:52:38 +02:00

trace.h

tracing: Fix pid filtering when triggers are attached

2021-12-08 08:45:03 +01:00

tracing_map.c

tracing: Fix a kmemleak false positive in tracing_map

2021-12-22 09:05:13 +01:00

tracing_map.h

tracing: Update some tracing_map constants and comments

2016-04-19 12:16:06 -04:00