diff options
| author | Kevin Hao | 2023-12-13 17:09:06 +0800 |
|---|---|---|
| committer | Andrew Morton | 2023-12-20 14:48:13 -0800 |
| commit | f55afd954c12ae9a0beb242e749d671555334fce (patch) | |
| tree | 1097380ec41dc4e0ffbb15c19acd8c41d1a24152 /mm/ksm.c | |
| parent | e3898efaffdb8e78639e68e997e3b8b6d0ed4ebc (diff) | |
mm: ksm: remove unnecessary try_to_freeze()
A freezable kernel thread can enter frozen state during freezing by
either calling try_to_freeze() or using wait_event_freezable() and its
variants. However, there is no need to use both methods simultaneously.
Link: https://lkml.kernel.org/r/20231213090906.1070985-1-haokexin@gmail.com
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/ksm.c')
| -rw-r--r-- | mm/ksm.c | 4 |
1 files changed, 1 insertions, 3 deletions
@@ -2604,11 +2604,9 @@ static int ksm_scan_thread(void *nothing) ksm_do_scan(ksm_thread_pages_to_scan); mutex_unlock(&ksm_thread_mutex); - try_to_freeze(); - if (ksmd_should_run()) { sleep_ms = READ_ONCE(ksm_thread_sleep_millisecs); - wait_event_interruptible_timeout(ksm_iter_wait, + wait_event_freezable_timeout(ksm_iter_wait, sleep_ms != READ_ONCE(ksm_thread_sleep_millisecs), msecs_to_jiffies(sleep_ms)); } else { |