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| author | Namhyung Kim <namhyung@gmail.com> | 2010-10-26 14:22:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-26 16:52:10 -0700 |
| commit | e199b5d1fed13f5e8f47a0ee8216f36244dad1f4 (patch) | |
| tree | 32b746b1ea5f59a9cf33d14b119236c78d18b398 /mm/vmalloc.c | |
| parent | 170168d0a351c045adc0bee0987e51dfc82890c0 (diff) | |
| download | lwn-e199b5d1fed13f5e8f47a0ee8216f36244dad1f4.tar.gz lwn-e199b5d1fed13f5e8f47a0ee8216f36244dad1f4.zip | |
vmalloc: annotate lock context change on s_start/stop()
s_start() and s_stop() grab/release vmlist_lock but were missing proper
annotations. Add them.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 55c7a47391f6..f492c774fa7b 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2350,6 +2350,7 @@ void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) #ifdef CONFIG_PROC_FS static void *s_start(struct seq_file *m, loff_t *pos) + __acquires(&vmlist_lock) { loff_t n = *pos; struct vm_struct *v; @@ -2376,6 +2377,7 @@ static void *s_next(struct seq_file *m, void *p, loff_t *pos) } static void s_stop(struct seq_file *m, void *p) + __releases(&vmlist_lock) { read_unlock(&vmlist_lock); } |