The patch titled Subject: nilfs2: add missing set_freezable() for freezable kthread has been added to the -mm mm-nonmm-unstable branch. Its filename is nilfs2-add-missing-set_freezable-for-freezable-kthread.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-add-missing-set_freezable-for-freezable-kthread.patch This patch will later appear in the mm-nonmm-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: Kevin Hao <haokexin@xxxxxxxxx> Subject: nilfs2: add missing set_freezable() for freezable kthread Date: Tue, 19 Dec 2023 18:09:18 +0900 The kernel thread function nilfs_segctor_thread() invokes the try_to_freeze() in its loop. But all the kernel threads are non-freezable by default. So if we want to make a kernel thread to be freezable, we have to invoke set_freezable() explicitly. Link: https://lkml.kernel.org/r/20231219090918.2329-1-konishi.ryusuke@xxxxxxxxx Signed-off-by: Kevin Hao <haokexin@xxxxxxxxx> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/nilfs2/segment.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/nilfs2/segment.c~nilfs2-add-missing-set_freezable-for-freezable-kthread +++ a/fs/nilfs2/segment.c @@ -2588,6 +2588,7 @@ static int nilfs_segctor_thread(void *ar "segctord starting. Construction interval = %lu seconds, CP frequency < %lu seconds", sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ); + set_freezable(); spin_lock(&sci->sc_state_lock); loop: for (;;) { _ Patches currently in -mm which might be from haokexin@xxxxxxxxx are mm-ksm-remove-unnecessary-try_to_freeze.patch fork-remove-redundant-task_uninterruptible.patch nilfs2-add-missing-set_freezable-for-freezable-kthread.patch