mfd: Add documentation for ACT8945A DT bindings

[linux-2.6-microblaze.git] / Documentation / cgroup-v2.txt

diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index f441564..65b3eac 100644 (file)
--- a/Documentation/cgroup-v2.txt
+++ b/Documentation/cgroup-v2.txt
@@ -819,6 +819,62 @@ PAGE_SIZE multiple when read back.
                the cgroup.  This may not exactly match the number of
                processes killed but should generally be close.
 
+  memory.stat
+
+       A read-only flat-keyed file which exists on non-root cgroups.
+
+       This breaks down the cgroup's memory footprint into different
+       types of memory, type-specific details, and other information
+       on the state and past events of the memory management system.
+
+       All memory amounts are in bytes.
+
+       The entries are ordered to be human readable, and new entries
+       can show up in the middle. Don't rely on items remaining in a
+       fixed position; use the keys to look up specific values!
+
+         anon
+
+               Amount of memory used in anonymous mappings such as
+               brk(), sbrk(), and mmap(MAP_ANONYMOUS)
+
+         file
+
+               Amount of memory used to cache filesystem data,
+               including tmpfs and shared memory.
+
+         file_mapped
+
+               Amount of cached filesystem data mapped with mmap()
+
+         file_dirty
+
+               Amount of cached filesystem data that was modified but
+               not yet written back to disk
+
+         file_writeback
+
+               Amount of cached filesystem data that was modified and
+               is currently being written back to disk
+
+         inactive_anon
+         active_anon
+         inactive_file
+         active_file
+         unevictable
+
+               Amount of memory, swap-backed and filesystem-backed,
+               on the internal memory management lists used by the
+               page reclaim algorithm
+
+         pgfault
+
+               Total number of page faults incurred
+
+         pgmajfault
+
+               Number of major page faults incurred
+
   memory.swap.current
 
        A read-only single value file which exists on non-root