From: SeongJae Park <sj@kernel.org>
To: akpm@linux-foundation.org
Cc: corbet@lwn.net, skhan@linuxfoundation.org, rientjes@google.com,
xhao@linux.alibaba.com, linux-damon@amazon.com,
linux-mm@kvack.org, linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
SeongJae Park <sj@kernel.org>
Subject: [PATCH 02/12] mm/damon/core: Add number of each enum type values
Date: Wed, 23 Feb 2022 15:20:41 +0000 [thread overview]
Message-ID: <20220223152051.22936-3-sj@kernel.org> (raw)
In-Reply-To: <20220223152051.22936-1-sj@kernel.org>
This commit declares the number of legal values for each DAMON enum
types to make traversals of such DAMON enum types easy and safe.
Signed-off-by: SeongJae Park <sj@kernel.org>
---
include/linux/damon.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/damon.h b/include/linux/damon.h
index f8e99e47d747..f23cbfa4248d 100644
--- a/include/linux/damon.h
+++ b/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,
};
/**
--
2.17.1
next prev parent reply other threads:[~2022-02-23 15:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-23 15:20 [PATCH 00/12] Introduce DAMON sysfs interface SeongJae Park
2022-02-23 15:20 ` [PATCH 01/12] mm/damon/core: Allow non-exclusive DAMON start/stop SeongJae Park
2022-02-23 15:20 ` SeongJae Park [this message]
2022-02-23 15:20 ` [PATCH 03/12] mm/damon: Implement a minimal stub for sysfs-based DAMON interface SeongJae Park
2022-02-23 16:09 ` Greg KH
2022-02-23 16:45 ` SeongJae Park
2022-02-23 17:13 ` SeongJae Park
2022-02-23 18:33 ` Greg KH
2022-02-23 19:03 ` SeongJae Park
2022-02-25 7:21 ` xhao
2022-02-25 8:10 ` SeongJae Park
2022-02-23 15:20 ` [PATCH 04/12] mm/damon/sysfs: Link DAMON for virtual address spaces monitoring SeongJae Park
2022-02-23 15:20 ` [PATCH 05/12] mm/damon/sysfs: Support physical address space monitoring SeongJae Park
2022-02-23 15:20 ` [PATCH 06/12] mm/damon/sysfs: Support DAMON-based Operation Schemes SeongJae Park
2022-02-23 15:20 ` [PATCH 07/12] mm/damon/sysfs: Support DAMOS quotas SeongJae Park
2022-02-23 15:20 ` [PATCH 08/12] mm/damon/sysfs: Support schemes prioritization weights SeongJae Park
2022-02-23 15:20 ` [PATCH 09/12] mm/damon/sysfs: Support DAMOS watermarks SeongJae Park
2022-02-23 15:20 ` [PATCH 10/12] mm/damon/sysfs: Support DAMOS stats SeongJae Park
2022-02-23 15:20 ` [PATCH 11/12] selftests/damon: Add a test for DAMON sysfs interface SeongJae Park
2022-02-23 15:20 ` [PATCH 12/12] Docs/admin-guide/mm/damon/usage: Document " SeongJae Park
2022-02-23 16:07 ` [PATCH 00/12] Introduce " Greg KH
2022-02-23 16:44 ` SeongJae Park
2022-02-25 7:32 ` xhao
2022-02-25 8:05 ` SeongJae Park
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