mm/damon: remove unnecessary variable initialization

Xin Hao · torvalds · commit a460a36034ba · 2021-11-06T13:30:46.000-07:00
Patch series "mm/damon: Fix some small bugs", v4. This patch (of 2): In 'damon_va_apply_three_regions' there is no need to set variable 'i' to zero. Link: https://lkml.kernel.org/r/b7df8d3dad0943a37e01f60c441b1968b2b20354.1634720326.git.xhao@linux.alibaba.com Link: https://lkml.kernel.org/r/cover.1634720326.git.xhao@linux.alibaba.com Signed-off-by: Xin Hao <xhao@linux.alibaba.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
@@ -306,7 +306,7 @@ static void damon_va_apply_three_regions(struct damon_target *t,
 		struct damon_addr_range bregions[3])
 {
 	struct damon_region *r, *next;
-	unsigned int i = 0;
+	unsigned int i;
 
 	/* Remove regions which are not in the three big regions now */
 	damon_for_each_region_safe(r, next, t) {

Original file line number	Diff line number	Diff line change
`@@ -306,7 +306,7 @@ static void damon_va_apply_three_regions(struct damon_target *t,`
`306`	`306`	`struct damon_addr_range bregions[3])`
`307`	`307`	`{`
`308`	`308`	`struct damon_region r, next;`
`309`		`- unsigned int i = 0;`
	`309`	`+ unsigned int i;`
`310`	`310`
`311`	`311`	`/* Remove regions which are not in the three big regions now */`
`312`	`312`	`damon_for_each_region_safe(r, next, t) {`