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vmalloc: annotate lock context change on s_start/stop()

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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>
This commit is contained in:
Namhyung Kim
2010-10-26 14:22:03 -07:00
committed by Linus Torvalds
parent 170168d0a3
commit e199b5d1fe
1 changed files with 2 additions and 0 deletions
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2
mm/vmalloc.c
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@@ -2350,6 +2350,7 @@ void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms)
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
static void *s_start(struct seq_file *m, loff_t *pos) static void *s_start(struct seq_file *m, loff_t *pos)
__acquires(&vmlist_lock)
{ {
loff_t n = *pos; loff_t n = *pos;
struct vm_struct *v; 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) static void s_stop(struct seq_file *m, void *p)
__releases(&vmlist_lock)
{ {
read_unlock(&vmlist_lock); read_unlock(&vmlist_lock);
} }