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mm/damon/sysfs: simplify the variable 'pid' assignment operation
authorKaixu Xia <kaixuxia@tencent.com>
Tue, 13 Sep 2022 09:11:25 +0000 (17:11 +0800)
committerAndrew Morton <akpm@linux-foundation.org>
Mon, 3 Oct 2022 21:03:14 +0000 (14:03 -0700)
commitf1c71c2825218dc8b35c04ab439fdf3d32778c7c
treecb30fe8884dff50e14bc0860ba0e12bd3efe034b
parent8ef4d5caa66d62b3b87a14d01562fb487651df2e
mm/damon/sysfs: simplify the variable 'pid' assignment operation

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@tencent.com
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/damon/sysfs.c