From: <gutierrez.asier@huawei-partners.com>
To: <gutierrez.asier@huawei-partners.com>, <artem.kuzin@huawei.com>,
<stepanov.anatoly@huawei.com>, <wangkefeng.wang@huawei.com>,
<yanquanmin1@huawei.com>, <zuoze1@huawei.com>, <sj@kernel.org>,
<damon@lists.linux.dev>, <akpm@linux-foundation.org>,
<linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v1] mm/damon: remove unused code
Date: Thu, 12 Feb 2026 09:43:26 +0000 [thread overview]
Message-ID: <20260212094326.906497-1-gutierrez.asier@huawei-partners.com> (raw)
From: Asier Gutierrez <gutierrez.asier@huawei-partners.com>
damon_target is not used by get_scheme_score operations, nor with
virtual neither with physical addresses.
Signed-off-by: Asier Gutierrez <gutierrez.asier@huawei-partners.com>
---
include/linux/damon.h | 3 +--
mm/damon/core.c | 10 +++++-----
mm/damon/paddr.c | 3 +--
mm/damon/vaddr.c | 3 +--
4 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 3813373a9200..34b68f5af425 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -639,8 +639,7 @@ struct damon_operations {
void (*prepare_access_checks)(struct damon_ctx *context);
unsigned int (*check_accesses)(struct damon_ctx *context);
int (*get_scheme_score)(struct damon_ctx *context,
- struct damon_target *t, struct damon_region *r,
- struct damos *scheme);
+ struct damon_region *r, struct damos *scheme);
unsigned long (*apply_scheme)(struct damon_ctx *context,
struct damon_target *t, struct damon_region *r,
struct damos *scheme, unsigned long *sz_filter_passed);
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 84f80a20f233..cc4cc953f3a4 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1651,15 +1651,15 @@ static bool __damos_valid_target(struct damon_region *r, struct damos *s)
r->age <= s->pattern.max_age_region;
}
-static bool damos_valid_target(struct damon_ctx *c, struct damon_target *t,
- struct damon_region *r, struct damos *s)
+static bool damos_valid_target(struct damon_ctx *c, struct damon_region *r,
+ struct damos *s)
{
bool ret = __damos_valid_target(r, s);
if (!ret || !s->quota.esz || !c->ops.get_scheme_score)
return ret;
- return c->ops.get_scheme_score(c, t, r, s) >= s->quota.min_score;
+ return c->ops.get_scheme_score(c, r, s) >= s->quota.min_score;
}
/*
@@ -1978,7 +1978,7 @@ static void damon_do_apply_schemes(struct damon_ctx *c,
if (damos_skip_charged_region(t, &r, s, c->min_sz_region))
continue;
- if (!damos_valid_target(c, t, r, s))
+ if (!damos_valid_target(c, r, s))
continue;
damos_apply_scheme(c, t, r, s);
@@ -2256,7 +2256,7 @@ static void damos_adjust_quota(struct damon_ctx *c, struct damos *s)
damon_for_each_region(r, t) {
if (!__damos_valid_target(r, s))
continue;
- score = c->ops.get_scheme_score(c, t, r, s);
+ score = c->ops.get_scheme_score(c, r, s);
c->regions_score_histogram[score] +=
damon_sz_region(r);
if (score > max_score)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 07a8aead439e..7b4b1e27beb7 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -345,8 +345,7 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx,
}
static int damon_pa_scheme_score(struct damon_ctx *context,
- struct damon_target *t, struct damon_region *r,
- struct damos *scheme)
+ struct damon_region *r, struct damos *scheme)
{
switch (scheme->action) {
case DAMOS_PAGEOUT:
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 23ed738a0bd6..757b9e18847a 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -986,8 +986,7 @@ static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx,
}
static int damon_va_scheme_score(struct damon_ctx *context,
- struct damon_target *t, struct damon_region *r,
- struct damos *scheme)
+ struct damon_region *r, struct damos *scheme)
{
switch (scheme->action) {
--
2.43.0
next reply other threads:[~2026-02-12 9:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 9:43 gutierrez.asier [this message]
2026-02-12 15:41 ` SeongJae Park
2026-02-12 16:51 ` SeongJae Park
2026-02-13 9:22 ` Gutierrez Asier
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