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mm: shrinker: use min() to improve shrinker_debugfs_scan_write()

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Use the min() macro to simplify the shrinker_debugfs_scan_write() function
and improve its readability.

Link: https://lkml.kernel.org/r/20240820042254.99115-2-thorsten.blum@toblux.com
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Thorsten Blum 2024-08-20 06:22:55 +02:00 committed by Andrew Morton
parent 2e6d88e9d4
commit 49029c4db3
1 changed files with 1 additions and 1 deletions
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2
mm/shrinker_debug.c
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@ -114,7 +114,7 @@ static ssize_t shrinker_debugfs_scan_write(struct file *file,
int nid; int nid;
char kbuf[72]; char kbuf[72];
read_len = size < (sizeof(kbuf) - 1) ? size : (sizeof(kbuf) - 1); read_len = min(size, sizeof(kbuf) - 1);
if (copy_from_user(kbuf, buf, read_len)) if (copy_from_user(kbuf, buf, read_len))
return -EFAULT; return -EFAULT;
kbuf[read_len] = '\0'; kbuf[read_len] = '\0';