From e199b5d1fed13f5e8f47a0ee8216f36244dad1f4 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Tue, 26 Oct 2010 14:22:03 -0700 Subject: [PATCH 1/1] 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/vmalloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 55c7a47391f..f492c774fa7 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); } -- 2.39.3