linux-kernel - [PATCH v2] mm/damon: rename damon_pageout_score() to damon_cold

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Date:   Sat, 17 Sep 2022 21:56:54 +0800
From:   xiakaixu1987@...il.com
To:     sj@...nel.org, akpm@...ux-foundation.org
Cc:     damon@...ts.linux.dev, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Kaixu Xia <kaixuxia@...cent.com>
Subject: [PATCH v2] mm/damon: rename damon_pageout_score() to damon_cold_score()

From: Kaixu Xia <kaixuxia@...cent.com>

In the beginning there is only one damos_action 'DAMOS_PAGEOUT'
that need to get the coldness score of a region for a scheme,
which using damon_pageout_score() to do that. But now there are
also other damos_action actions need the coldness score, so
rename it to damon_cold_score() to make more sense.

Signed-off-by: Kaixu Xia <kaixuxia@...cent.com>
Reviewed-by: SeongJae Park <sj@...nel.org>
---
v2:
 -keep the order of switch cases in damon_pa_scheme_score().

 mm/damon/ops-common.c | 2 +-
 mm/damon/ops-common.h | 2 +-
 mm/damon/paddr.c      | 4 ++--
 mm/damon/vaddr.c      | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/damon/ops-common.c b/mm/damon/ops-common.c
index 9310df72e1c5..75409601f934 100644
--- a/mm/damon/ops-common.c
+++ b/mm/damon/ops-common.c
@@ -130,7 +130,7 @@ int damon_hot_score(struct damon_ctx *c, struct damon_region *r,
 	return hotness;
 }
 
-int damon_pageout_score(struct damon_ctx *c, struct damon_region *r,
+int damon_cold_score(struct damon_ctx *c, struct damon_region *r,
 			struct damos *s)
 {
 	int hotness = damon_hot_score(c, r, s);
diff --git a/mm/damon/ops-common.h b/mm/damon/ops-common.h
index 52329ff361cd..8d82d3722204 100644
--- a/mm/damon/ops-common.h
+++ b/mm/damon/ops-common.h
@@ -12,7 +12,7 @@ struct page *damon_get_page(unsigned long pfn);
 void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr);
 void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr);
 
-int damon_pageout_score(struct damon_ctx *c, struct damon_region *r,
+int damon_cold_score(struct damon_ctx *c, struct damon_region *r,
 			struct damos *s);
 int damon_hot_score(struct damon_ctx *c, struct damon_region *r,
 			struct damos *s);
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index dfeebffe82f4..e1a4315c4be6 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -287,11 +287,11 @@ static int damon_pa_scheme_score(struct damon_ctx *context,
 {
 	switch (scheme->action) {
 	case DAMOS_PAGEOUT:
-		return damon_pageout_score(context, r, scheme);
+		return damon_cold_score(context, r, scheme);
 	case DAMOS_LRU_PRIO:
 		return damon_hot_score(context, r, scheme);
 	case DAMOS_LRU_DEPRIO:
-		return damon_pageout_score(context, r, scheme);
+		return damon_cold_score(context, r, scheme);
 	default:
 		break;
 	}
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index f53c2ff2bcc8..ea94e0b2c311 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -673,7 +673,7 @@ static int damon_va_scheme_score(struct damon_ctx *context,
 
 	switch (scheme->action) {
 	case DAMOS_PAGEOUT:
-		return damon_pageout_score(context, r, scheme);
+		return damon_cold_score(context, r, scheme);
 	default:
 		break;
 	}
-- 
2.27.0