Loading .mailmap +4 −0 Original line number Diff line number Diff line Loading @@ -169,6 +169,10 @@ Juha Yrjola <juha.yrjola@solidboot.com> Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com> Kamil Konieczny <k.konieczny@samsung.com> <k.konieczny@partner.samsung.com> Kay Sievers <kay.sievers@vrfy.org> Kees Cook <keescook@chromium.org> <kees.cook@canonical.com> Kees Cook <keescook@chromium.org> <keescook@google.com> Kees Cook <keescook@chromium.org> <kees@outflux.net> Kees Cook <keescook@chromium.org> <kees@ubuntu.com> Kenneth W Chen <kenneth.w.chen@intel.com> Konstantin Khlebnikov <koct9i@gmail.com> <khlebnikov@yandex-team.ru> Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com> Loading Documentation/admin-guide/cgroup-v2.rst +18 −7 Original line number Diff line number Diff line Loading @@ -1324,15 +1324,26 @@ PAGE_SIZE multiple when read back. pgmajfault Number of major page faults incurred workingset_refault Number of refaults of previously evicted pages workingset_refault_anon Number of refaults of previously evicted anonymous pages. workingset_activate Number of refaulted pages that were immediately activated workingset_refault_file Number of refaults of previously evicted file pages. workingset_restore Number of restored pages which have been detected as an active workingset before they got reclaimed. workingset_activate_anon Number of refaulted anonymous pages that were immediately activated. workingset_activate_file Number of refaulted file pages that were immediately activated. workingset_restore_anon Number of restored anonymous pages which have been detected as an active workingset before they got reclaimed. workingset_restore_file Number of restored file pages which have been detected as an active workingset before they got reclaimed. workingset_nodereclaim Number of times a shadow node has been reclaimed Loading Documentation/admin-guide/device-mapper/dm-crypt.rst +9 −1 Original line number Diff line number Diff line Loading @@ -67,7 +67,7 @@ Parameters:: the value passed in <key_size>. <key_type> Either 'logon' or 'user' kernel key type. Either 'logon', 'user' or 'encrypted' kernel key type. <key_description> The kernel keyring key description crypt target should look for Loading Loading @@ -121,6 +121,14 @@ submit_from_crypt_cpus thread because it benefits CFQ to have writes submitted using the same context. no_read_workqueue Bypass dm-crypt internal workqueue and process read requests synchronously. no_write_workqueue Bypass dm-crypt internal workqueue and process write requests synchronously. This option is automatically enabled for host-managed zoned block devices (e.g. host-managed SMR hard-disks). integrity:<bytes>:<type> The device requires additional <bytes> metadata per-sector stored in per-bio integrity structure. This metadata must by provided Loading Documentation/admin-guide/pm/cpuidle.rst +1 −1 Original line number Diff line number Diff line Loading @@ -690,7 +690,7 @@ which of the two parameters is added to the kernel command line. In the instruction of the CPUs (which, as a rule, suspends the execution of the program and causes the hardware to attempt to enter the shallowest available idle state) for this purpose, and if ``idle=poll`` is used, idle CPUs will execute a more or less ``lightweight'' sequence of instructions in a tight loop. [Note more or less "lightweight" sequence of instructions in a tight loop. [Note that using ``idle=poll`` is somewhat drastic in many cases, as preventing idle CPUs from saving almost any energy at all may not be the only effect of it. For example, on Intel hardware it effectively prevents CPUs from using Loading Documentation/bpf/ringbuf.rst +1 −4 Original line number Diff line number Diff line Loading @@ -182,9 +182,6 @@ in the order of reservations, but only after all previous records where already committed. It is thus possible for slow producers to temporarily hold off submitted records, that were reserved later. Reservation/commit/consumer protocol is verified by litmus tests in Documentation/litmus_tests/bpf-rb/_. One interesting implementation bit, that significantly simplifies (and thus speeds up as well) implementation of both producers and consumers is how data area is mapped twice contiguously back-to-back in the virtual memory. This Loading @@ -200,7 +197,7 @@ a self-pacing notifications of new data being availability. being available after commit only if consumer has already caught up right up to the record being committed. If not, consumer still has to catch up and thus will see new data anyways without needing an extra poll notification. Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbuf.c_) show that Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbufs.c) show that this allows to achieve a very high throughput without having to resort to tricks like "notify only every Nth sample", which are necessary with perf buffer. For extreme cases, when BPF program wants more manual control of Loading Loading
.mailmap +4 −0 Original line number Diff line number Diff line Loading @@ -169,6 +169,10 @@ Juha Yrjola <juha.yrjola@solidboot.com> Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com> Kamil Konieczny <k.konieczny@samsung.com> <k.konieczny@partner.samsung.com> Kay Sievers <kay.sievers@vrfy.org> Kees Cook <keescook@chromium.org> <kees.cook@canonical.com> Kees Cook <keescook@chromium.org> <keescook@google.com> Kees Cook <keescook@chromium.org> <kees@outflux.net> Kees Cook <keescook@chromium.org> <kees@ubuntu.com> Kenneth W Chen <kenneth.w.chen@intel.com> Konstantin Khlebnikov <koct9i@gmail.com> <khlebnikov@yandex-team.ru> Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com> Loading
Documentation/admin-guide/cgroup-v2.rst +18 −7 Original line number Diff line number Diff line Loading @@ -1324,15 +1324,26 @@ PAGE_SIZE multiple when read back. pgmajfault Number of major page faults incurred workingset_refault Number of refaults of previously evicted pages workingset_refault_anon Number of refaults of previously evicted anonymous pages. workingset_activate Number of refaulted pages that were immediately activated workingset_refault_file Number of refaults of previously evicted file pages. workingset_restore Number of restored pages which have been detected as an active workingset before they got reclaimed. workingset_activate_anon Number of refaulted anonymous pages that were immediately activated. workingset_activate_file Number of refaulted file pages that were immediately activated. workingset_restore_anon Number of restored anonymous pages which have been detected as an active workingset before they got reclaimed. workingset_restore_file Number of restored file pages which have been detected as an active workingset before they got reclaimed. workingset_nodereclaim Number of times a shadow node has been reclaimed Loading
Documentation/admin-guide/device-mapper/dm-crypt.rst +9 −1 Original line number Diff line number Diff line Loading @@ -67,7 +67,7 @@ Parameters:: the value passed in <key_size>. <key_type> Either 'logon' or 'user' kernel key type. Either 'logon', 'user' or 'encrypted' kernel key type. <key_description> The kernel keyring key description crypt target should look for Loading Loading @@ -121,6 +121,14 @@ submit_from_crypt_cpus thread because it benefits CFQ to have writes submitted using the same context. no_read_workqueue Bypass dm-crypt internal workqueue and process read requests synchronously. no_write_workqueue Bypass dm-crypt internal workqueue and process write requests synchronously. This option is automatically enabled for host-managed zoned block devices (e.g. host-managed SMR hard-disks). integrity:<bytes>:<type> The device requires additional <bytes> metadata per-sector stored in per-bio integrity structure. This metadata must by provided Loading
Documentation/admin-guide/pm/cpuidle.rst +1 −1 Original line number Diff line number Diff line Loading @@ -690,7 +690,7 @@ which of the two parameters is added to the kernel command line. In the instruction of the CPUs (which, as a rule, suspends the execution of the program and causes the hardware to attempt to enter the shallowest available idle state) for this purpose, and if ``idle=poll`` is used, idle CPUs will execute a more or less ``lightweight'' sequence of instructions in a tight loop. [Note more or less "lightweight" sequence of instructions in a tight loop. [Note that using ``idle=poll`` is somewhat drastic in many cases, as preventing idle CPUs from saving almost any energy at all may not be the only effect of it. For example, on Intel hardware it effectively prevents CPUs from using Loading
Documentation/bpf/ringbuf.rst +1 −4 Original line number Diff line number Diff line Loading @@ -182,9 +182,6 @@ in the order of reservations, but only after all previous records where already committed. It is thus possible for slow producers to temporarily hold off submitted records, that were reserved later. Reservation/commit/consumer protocol is verified by litmus tests in Documentation/litmus_tests/bpf-rb/_. One interesting implementation bit, that significantly simplifies (and thus speeds up as well) implementation of both producers and consumers is how data area is mapped twice contiguously back-to-back in the virtual memory. This Loading @@ -200,7 +197,7 @@ a self-pacing notifications of new data being availability. being available after commit only if consumer has already caught up right up to the record being committed. If not, consumer still has to catch up and thus will see new data anyways without needing an extra poll notification. Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbuf.c_) show that Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbufs.c) show that this allows to achieve a very high throughput without having to resort to tricks like "notify only every Nth sample", which are necessary with perf buffer. For extreme cases, when BPF program wants more manual control of Loading