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-rw-r--r--Documentation/accounting/taskstats-struct.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt
index cd784f46bf8a..b988d110db59 100644
--- a/Documentation/accounting/taskstats-struct.txt
+++ b/Documentation/accounting/taskstats-struct.txt
@@ -26,6 +26,8 @@ There are three different groups of fields in the struct taskstats:
5) Time accounting for SMT machines
+6) Extended delay accounting fields for memory reclaim
+
Future extension should add fields to the end of the taskstats struct, and
should not change the relative position of each field within the struct.
@@ -170,4 +172,9 @@ struct taskstats {
__u64 ac_utimescaled; /* utime scaled on frequency etc */
__u64 ac_stimescaled; /* stime scaled on frequency etc */
__u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
+
+6) Extended delay accounting fields for memory reclaim
+ /* Delay waiting for memory reclaim */
+ __u64 freepages_count;
+ __u64 freepages_delay_total;
}