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| author | Michel Lespinasse <walken@google.com> | 2020-06-09 07:33:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 19:39:14 +0300 |
| commit | 3e4e28c5a8f01ee4174d639e36ed155ade489a6f (patch) | |
| tree | 5d440153b87f0416897f4f1a986248370354f986 /mm/oom_kill.c | |
| parent | da1c55f1b272f4bd54671d459b39ea7b54944ef9 (diff) | |
| download | linux-3e4e28c5a8f01ee4174d639e36ed155ade489a6f.tar.xz | |
mmap locking API: convert mmap_sem API comments
Convert comments that reference old mmap_sem APIs to reference
corresponding new mmap locking APIs instead.
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Liam Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ying Han <yinghan@google.com>
Link: http://lkml.kernel.org/r/20200520052908.204642-12-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
| -rw-r--r-- | mm/oom_kill.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index af3de7a92a9f..3b5d78dfebe9 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -577,8 +577,8 @@ static bool oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm) /* * MMF_OOM_SKIP is set by exit_mmap when the OOM reaper can't * work on the mm anymore. The check for MMF_OOM_SKIP must run - * under mmap_sem for reading because it serializes against the - * down_write();up_write() cycle in exit_mmap(). + * under mmap_lock for reading because it serializes against the + * mmap_write_lock();mmap_write_unlock() cycle in exit_mmap(). */ if (test_bit(MMF_OOM_SKIP, &mm->flags)) { trace_skip_task_reaping(tsk->pid); @@ -611,7 +611,7 @@ static void oom_reap_task(struct task_struct *tsk) int attempts = 0; struct mm_struct *mm = tsk->signal->oom_mm; - /* Retry the down_read_trylock(mmap_sem) a few times */ + /* Retry the mmap_read_trylock(mm) a few times */ while (attempts++ < MAX_OOM_REAP_RETRIES && !oom_reap_task_mm(tsk, mm)) schedule_timeout_idle(HZ/10); @@ -629,7 +629,7 @@ done: /* * Hide this mm from OOM killer because it has been either reaped or - * somebody can't call up_write(mmap_sem). + * somebody can't call mmap_write_unlock(mm). */ set_bit(MMF_OOM_SKIP, &mm->flags); |