tree fab178c5c445c3ed33dd2b949b07c7c0213f888e
parent 7cecfab158b950fb58a7fa12b07323605a0d8251
author SeongJae Park <sj@kernel.org> 1642198220 -0800
committer Hailong Tu <tuhailong@oppo.com> 1651158558 +0800

UPSTREAM: mm/damon/schemes: account how many times quota limit has exceeded

If the time/space quotas of a given DAMON-based operation scheme is too
small, the scheme could show unexpectedly slow progress.  However, there
is no good way to notice the case in runtime.  This commit extends the
DAMOS stat to provide how many times the quota limits exceeded so that
the users can easily notice the case and tune the scheme.

Link: https://lkml.kernel.org/r/20211210150016.35349-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

(cherry picked from commit 6268eac34ca30af7f6313504d556ec7fcd295621)

Bug: 228223814
Signed-off-by: Hailong Tu <tuhailong@oppo.com>
Change-Id: I36184dc51917810c81ac8d576b144e33a4454dc1