diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-devices-node | 39 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-mm-damon | 29 |
2 files changed, 68 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node index 8db67aa472f1..402af4b2b905 100644 --- a/Documentation/ABI/stable/sysfs-devices-node +++ b/Documentation/ABI/stable/sysfs-devices-node @@ -182,3 +182,42 @@ Date: November 2021 Contact: Jarkko Sakkinen <jarkko@kernel.org> Description: The total amount of SGX physical memory in bytes. + +What: /sys/devices/system/node/nodeX/memory_failure/total +Date: January 2023 +Contact: Jiaqi Yan <jiaqiyan@google.com> +Description: + The total number of raw poisoned pages (pages containing + corrupted data due to memory errors) on a NUMA node. + +What: /sys/devices/system/node/nodeX/memory_failure/ignored +Date: January 2023 +Contact: Jiaqi Yan <jiaqiyan@google.com> +Description: + Of the raw poisoned pages on a NUMA node, how many pages are + ignored by memory error recovery attempt, usually because + support for this type of pages is unavailable, and kernel + gives up the recovery. + +What: /sys/devices/system/node/nodeX/memory_failure/failed +Date: January 2023 +Contact: Jiaqi Yan <jiaqiyan@google.com> +Description: + Of the raw poisoned pages on a NUMA node, how many pages are + failed by memory error recovery attempt. This usually means + a key recovery operation failed. + +What: /sys/devices/system/node/nodeX/memory_failure/delayed +Date: January 2023 +Contact: Jiaqi Yan <jiaqiyan@google.com> +Description: + Of the raw poisoned pages on a NUMA node, how many pages are + delayed by memory error recovery attempt. Delayed poisoned + pages usually will be retried by kernel. + +What: /sys/devices/system/node/nodeX/memory_failure/recovered +Date: January 2023 +Contact: Jiaqi Yan <jiaqiyan@google.com> +Description: + Of the raw poisoned pages on a NUMA node, how many pages are + recovered by memory error recovery attempt. diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon index 13397b853692..2744f21b5a6b 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -258,6 +258,35 @@ Contact: SeongJae Park <sj@kernel.org> Description: Writing to and reading from this file sets and gets the low watermark of the scheme in permil. +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/nr_filters +Date: Dec 2022 +Contact: SeongJae Park <sj@kernel.org> +Description: Writing a number 'N' to this file creates the number of + directories for setting filters of the scheme named '0' to + 'N-1' under the filters/ directory. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/type +Date: Dec 2022 +Contact: SeongJae Park <sj@kernel.org> +Description: Writing to and reading from this file sets and gets the type of + the memory of the interest. 'anon' for anonymous pages, or + 'memcg' for specific memory cgroup can be written and read. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/memcg_path +Date: Dec 2022 +Contact: SeongJae Park <sj@kernel.org> +Description: If 'memcg' is written to the 'type' file, writing to and + reading from this file sets and gets the path to the memory + cgroup of the interest. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/matching +Date: Dec 2022 +Contact: SeongJae Park <sj@kernel.org> +Description: Writing 'Y' or 'N' to this file sets whether to filter out + pages that do or do not match to the 'type' and 'memcg_path', + respectively. Filter out means the action of the scheme will + not be applied to. + What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried Date: Mar 2022 Contact: SeongJae Park <sj@kernel.org> |