docs-admin-guide-mm-damon-reclaim-document-auto-tuning-parameters.patch removed from -mm tree
The quilt patch titled
Subject: Docs/admin-guide/mm/damon/reclaim: document auto-tuning parameters
has been removed from the -mm tree. Its filename was
docs-admin-guide-mm-damon-reclaim-document-auto-tuning-parameters.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
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From: SeongJae Park <[email protected]>
Subject: Docs/admin-guide/mm/damon/reclaim: document auto-tuning parameters
Date: Mon, 19 Feb 2024 11:44:31 -0800
Update DAMON_RECLAIM usage document for the user/self feedback based auto-tuning of the quota.
Signed-off-by SeongJae Park <[email protected]>
Signed-off-by Andrew Morton <[email protected]>
---
Documentation/admin-guide/mm/damon/reclaim.rst | 27 +++++++++++++++ 1 file changed, 27 insertions(+)
Documentation/admin-guide/mm/damon/reclaim.rst renamed from Documentation/admin-guide/mm/damon/reclaim.rst~docs-admin-guide-mm-damon-reclaim-document-auto-tuning-parameters +27 -0
@@ -117,6 +117,33 @@ milliseconds. 1 second by default. +quota_mem_pressure_us +--------------------- + +Desired level of memory pressure-stall time in microseconds. + +While keeping the caps that set by other quotas, DAMON_RECLAIM automatically +increases and decreases the effective level of the quota aiming this level of +memory pressure is incurred. System-wide ``some`` memory PSI in microseconds +per quota reset interval (``quota_reset_interval_ms``) is collected and +compared to this value to see if the aim is satisfied. Value zero means +disabling this auto-tuning feature. + +Disabled by default. + +quota_autotune_feedback +----------------------- + +User-specifiable feedback for auto-tuning of the effective quota. + +While keeping the caps that set by other quotas, DAMON_RECLAIM automatically +increases and decreases the effective level of the quota aiming receiving this +feedback of value ``10,000`` from the user. DAMON_RECLAIM assumes the feedback +value and the quota are positively proportional. Value zero means disabling +this auto-tuning feature. + +Disabled by default. + wmarks_interval ---------------
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