The patch titled Subject: mm: shrinker: use min() to improve shrinker_debugfs_scan_write() has been added to the -mm mm-unstable branch. Its filename is mm-shrinker-use-min-to-improve-shrinker_debugfs_scan_write.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-shrinker-use-min-to-improve-shrinker_debugfs_scan_write.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Thorsten Blum <thorsten.blum@xxxxxxxxxx> Subject: mm: shrinker: use min() to improve shrinker_debugfs_scan_write() Date: Tue, 20 Aug 2024 06:22:55 +0200 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@xxxxxxxxxx Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxxx> Cc: Dave Chinner <david@xxxxxxxxxxxxx> Cc: Muchun Song <muchun.song@xxxxxxxxx> Cc: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/shrinker_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/shrinker_debug.c~mm-shrinker-use-min-to-improve-shrinker_debugfs_scan_write +++ a/mm/shrinker_debug.c @@ -114,7 +114,7 @@ static ssize_t shrinker_debugfs_scan_wri int nid; 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)) return -EFAULT; kbuf[read_len] = '\0'; _ Patches currently in -mm which might be from thorsten.blum@xxxxxxxxxx are lib-test_hmm-use-min-to-improve-dmirror_exclusive.patch mm-shrinker-use-min-to-improve-shrinker_debugfs_scan_write.patch lib-checksum-use-array_size-to-improve-assert_setup_correct.patch ocfs2-use-max-to-improve-ocfs2_dlm_seq_show.patch