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mm/damon/sysfs: support hugepage_mem_bp quota goal metric

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DAMOS has a new autotune policy metric: DAMOS_QUOTA_HUGEPAGE_MEM_BP.  This
patch exposes DAMOS_QUOTA_HUGEPAGE_MEM_BP through sysfs.

Add the "hugepage_mem_bp" to the sysfs-schemes interface.

Link: https://lore.kernel.org/20260831144732.80910-3-sj@kernel.org
Signed-off-by: Asier Gutierrez <gutierrez.asier@huawei-partners.com>
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SJ Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
This commit is contained in:
Asier Gutierrez 2026-08-31 07:47:29 -07:00 committed by Andrew Morton
parent f465dc71ab
commit b165a7a42f
1 changed files with 4 additions and 0 deletions
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4
mm/damon/sysfs-schemes.c
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@ -1269,6 +1269,10 @@ struct damos_sysfs_qgoal_metric_name damos_sysfs_qgoal_metric_names[] = {
.metric = DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP,
.name = "node_eligible_mem_bp",
},
{
.metric = DAMOS_QUOTA_HUGEPAGE_MEM_BP,
.name = "hugepage_mem_bp",
},
};
static ssize_t target_metric_show(struct kobject *kobj,