linux-kernel - [PATCH v1 1/2] mm/damon: rename sz_damon_region to damon_region

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Message-Id: <20220926071100.76379-1-xhao@linux.alibaba.com>
Date:   Mon, 26 Sep 2022 15:10:59 +0800
From:   Xin Hao <xhao@...ux.alibaba.com>
To:     sj@...nel.org
Cc:     akpm@...ux-foundation.org, damon@...ts.linux.dev,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        xhao@...ux.alibaba.com
Subject: [PATCH v1 1/2] mm/damon: rename sz_damon_region to damon_region_size

Here, i rename sz_damon_region() to damon_region_size(), and move it to
"include/linux/damon.h", because in many places, we can to use this func.

Signed-off-by: Xin Hao <xhao@...ux.alibaba.com>
---
 include/linux/damon.h | 1 +
 mm/damon/core.c       | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/damon.h b/include/linux/damon.h
index ed5470f50bab..21f4bfd0f41f 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -524,6 +524,7 @@ void damon_add_region(struct damon_region *r, struct damon_target *t);
 void damon_destroy_region(struct damon_region *r, struct damon_target *t);
 int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges,
 		unsigned int nr_ranges);
+unsigned long damon_region_size(struct damon_region *r);

 struct damos *damon_new_scheme(struct damos_access_pattern *pattern,
 			enum damos_action action, struct damos_quota *quota,
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 4de8c7c52979..74ab45b2c2f1 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -864,7 +864,7 @@ static void kdamond_apply_schemes(struct damon_ctx *c)
 	}
 }

-static inline unsigned long sz_damon_region(struct damon_region *r)
+unsigned long damon_region_size(struct damon_region *r)
 {
 	return r->ar.end - r->ar.start;
 }
@@ -875,7 +875,7 @@ static inline unsigned long sz_damon_region(struct damon_region *r)
 static void damon_merge_two_regions(struct damon_target *t,
 		struct damon_region *l, struct damon_region *r)
 {
-	unsigned long sz_l = sz_damon_region(l), sz_r = sz_damon_region(r);
+	unsigned long sz_l = damon_region_size(l), sz_r = damon_region_size(r);

 	l->nr_accesses = (l->nr_accesses * sz_l + r->nr_accesses * sz_r) /
 			(sz_l + sz_r);
@@ -904,7 +904,7 @@ static void damon_merge_regions_of(struct damon_target *t, unsigned int thres,

 		if (prev && prev->ar.end == r->ar.start &&
 		    abs(prev->nr_accesses - r->nr_accesses) <= thres &&
-		    sz_damon_region(prev) + sz_damon_region(r) <= sz_limit)
+		    damon_region_size(prev) + damon_region_size(r) <= sz_limit)
 			damon_merge_two_regions(t, prev, r);
 		else
 			prev = r;
--
2.31.0