The quilt patch titled
Subject: mm/damon/sysfs: simplify the variable 'pid' assignment operation
has been removed from the -mm tree. Its filename was
mm-damon-sysfs-simplify-the-variable-pid-assignment-operation.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
Subject: mm/damon/sysfs: simplify the variable 'pid' assignment operation
Date: Tue, 13 Sep 2022 17:11:25 +0800
We can initialize the variable 'pid' with '-1' in pid_show() to simplify
the variable assignment operation and make the code more readable.
Link: https://lkml.kernel.org/r/1663060287-30201-3-git-send-email-kaixuxia@xxxxxxxxxxx
Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/sysfs.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
--- a/mm/damon/sysfs.c~mm-damon-sysfs-simplify-the-variable-pid-assignment-operation
+++ a/mm/damon/sysfs.c
@@ -2592,19 +2592,16 @@ static ssize_t pid_show(struct kobject *
struct damon_sysfs_kdamond *kdamond = container_of(kobj,
struct damon_sysfs_kdamond, kobj);
struct damon_ctx *ctx;
- int pid;
+ int pid = -1;
if (!mutex_trylock(&damon_sysfs_lock))
return -EBUSY;
ctx = kdamond->damon_ctx;
- if (!ctx) {
- pid = -1;
+ if (!ctx)
goto out;
- }
+
mutex_lock(&ctx->kdamond_lock);
- if (!ctx->kdamond)
- pid = -1;
- else
+ if (ctx->kdamond)
pid = ctx->kdamond->pid;
mutex_unlock(&ctx->kdamond_lock);
out:
_
Patches currently in -mm which might be from kaixuxia@xxxxxxxxxxx are
