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mm/damon/core: add number of each enum type values 

Bugzilla: https://bugzilla.redhat.com/2120352

commit 5257f36ec289d544532f2889cbed11abbb06cf0c
Author: SeongJae Park <sj@kernel.org>
Date:   Tue Mar 22 14:49:24 2022 -0700

    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@kernel.org
    Signed-off-by: SeongJae Park <sj@kernel.org>
    Cc: David Rientjes <rientjes@google.com>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: Jonathan Corbet <corbet@lwn.net>
    Cc: Shuah Khan <skhan@linuxfoundation.org>
    Cc: Xin Hao <xhao@linux.alibaba.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: Chris von Recklinghausen <crecklin@redhat.com>
This commit is contained in:
Chris von Recklinghausen 2022-10-12 07:09:23 -04:00
parent d0f520fd70
commit 139df9c09c
1 changed files with 4 additions and 0 deletions
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4
include/linux/damon.h
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@ -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,
};
/**