The patch titled
Subject: mm/damon/core: add number of each enum type values
has been added to the -mm tree. Its filename is
mm-damon-core-add-number-of-each-enum-type-values.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-core-add-number-of-each-enum-type-values.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-core-add-number-of-each-enum-type-values.patch
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/core: add number of each enum type values
This commit declares the number of legal values for each DAMON enum types
to make traversals of such DAMON enum types easy and safe.
Link: https://lkml.kernel.org/r/20220228081314.5770-3-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Cc: Xin Hao <xhao@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/damon.h | 4 ++++
1 file changed, 4 insertions(+)
--- a/include/linux/damon.h~mm-damon-core-add-number-of-each-enum-type-values
+++ a/include/linux/damon.h
@@ -87,6 +87,7 @@ struct damon_target {
* @DAMOS_HUGEPAGE: Call ``madvise()`` for the region with MADV_HUGEPAGE.
* @DAMOS_NOHUGEPAGE: Call ``madvise()`` for the region with MADV_NOHUGEPAGE.
* @DAMOS_STAT: Do nothing but count the stat.
+ * @NR_DAMOS_ACTIONS: Total number of DAMOS actions
*/
enum damos_action {
DAMOS_WILLNEED,
@@ -95,6 +96,7 @@ enum damos_action {
DAMOS_HUGEPAGE,
DAMOS_NOHUGEPAGE,
DAMOS_STAT, /* Do nothing but only record the stat */
+ NR_DAMOS_ACTIONS,
};
/**
@@ -157,10 +159,12 @@ struct damos_quota {
*
* @DAMOS_WMARK_NONE: Ignore the watermarks of the given scheme.
* @DAMOS_WMARK_FREE_MEM_RATE: Free memory rate of the system in [0,1000].
+ * @NR_DAMOS_WMARK_METRICS: Total number of DAMOS watermark metrics
*/
enum damos_wmark_metric {
DAMOS_WMARK_NONE,
DAMOS_WMARK_FREE_MEM_RATE,
+ NR_DAMOS_WMARK_METRICS,
};
/**
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-damon-dbgfs-init_regions-use-target-index-instead-of-target-id.patch
docs-admin-guide-mm-damon-usage-update-for-changed-initail_regions-file-input.patch
mm-damon-core-move-damon_set_targets-into-dbgfs.patch
mm-damon-remove-the-target-id-concept.patch
mm-damon-rename-damon_primitives-to-damon_operations.patch
mm-damon-let-monitoring-operations-can-be-registered-and-selected.patch
mm-damon-paddrvaddr-register-themselves-to-damon-in-subsys_initcall.patch
mm-damon-reclaim-use-damon_select_ops-instead-of-damon_vpa_set_operations.patch
mm-damon-dbgfs-use-damon_select_ops-instead-of-damon_vpa_set_operations.patch
mm-damon-dbgfs-use-operations-id-for-knowing-if-the-target-has-pid.patch
mm-damon-dbgfs-test-fix-is_target_id-change.patch
mm-damon-paddrvaddr-remove-damon_pva_target_validset_operations.patch
docs-vm-damon-call-low-level-monitoring-primitives-the-operations.patch
docs-vm-damon-design-update-damon-idle-page-tracking-interference-handling.patch
docs-damon-update-outdated-term-regions-update-interval.patch
mm-damon-core-allow-non-exclusive-damon-start-stop.patch
mm-damon-core-add-number-of-each-enum-type-values.patch
mm-damon-implement-a-minimal-stub-for-sysfs-based-damon-interface.patch
mm-damon-sysfs-link-damon-for-virtual-address-spaces-monitoring.patch
mm-damon-sysfs-support-the-physical-address-space-monitoring.patch
mm-damon-sysfs-support-damon-based-operation-schemes.patch
mm-damon-sysfs-support-damos-quotas.patch
mm-damon-sysfs-support-schemes-prioritization.patch
mm-damon-sysfs-support-damos-watermarks.patch
mm-damon-sysfs-support-damos-stats.patch
selftests-damon-add-a-test-for-damon-sysfs-interface.patch
docs-admin-guide-mm-damon-usage-document-damon-sysfs-interface.patch
docs-abi-testing-add-damon-sysfs-interface-abi-document.patch
