The quilt patch titled
Subject: mm/damon: explain "effective quota" on kernel-doc comment
has been removed from the -mm tree. Its filename was
mm-damon-explain-effective-quota-on-kernel-doc-comment.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon: explain "effective quota" on kernel-doc comment
Date: Fri, 10 Jan 2025 10:52:32 -0800
The kernel-doc comment for 'struct damos_quota' describes how "effective
quota" is calculated, but does not explain what it is. Actually there was
an input[1] about it. Add the explanation on the comment.
Also, fix a trivial typo on the comment block: s/empt/empty/
[1] https://github.com/damonitor/damo/issues/17#issuecomment-2497525043
Link: https://lkml.kernel.org/r/20250110185232.54907-6-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Suggested-by: Honggyu Kim <honggyu.kim@xxxxxx>
Cc: Yunjeong Mun <yunjeong.mun@xxxxxx>
Cc: Honggyu Kim <honggyu.kim@xxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/damon.h | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
--- a/include/linux/damon.h~mm-damon-explain-effective-quota-on-kernel-doc-comment
+++ a/include/linux/damon.h
@@ -193,11 +193,16 @@ struct damos_quota_goal {
* size quota is set, DAMON tries to apply the action only up to &sz bytes
* within &reset_interval.
*
- * Internally, the time quota is transformed to a size quota using estimated
- * throughput of the scheme's action. DAMON then compares it against &sz and
- * uses smaller one as the effective quota.
+ * To convince the different types of quotas and goals, DAMON internally
+ * converts those into one single size quota called "effective quota". DAMON
+ * internally uses it as the only one real quota. The conversion is made as
+ * follows.
*
- * If @goals is not empt, DAMON calculates yet another size quota based on the
+ * The time quota is transformed to a size quota using estimated throughput of
+ * the scheme's action. DAMON then compares it against &sz and uses smaller
+ * one as the effective quota.
+ *
+ * If @goals is not empty, DAMON calculates yet another size quota based on the
* goals using its internal feedback loop algorithm, for every @reset_interval.
* Then, if the new size quota is smaller than the effective quota, it uses the
* new size quota as the effective quota.
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
