diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index f2481cb4e6b2..e73948afac70 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2574,32 +2574,13 @@ void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) static void *s_start(struct seq_file *m, loff_t *pos) __acquires(&vmap_area_lock) { - loff_t n = *pos; - struct vmap_area *va; - spin_lock(&vmap_area_lock); - va = list_first_entry(&vmap_area_list, typeof(*va), list); - while (n > 0 && &va->list != &vmap_area_list) { - n--; - va = list_next_entry(va, list); - } - if (!n && &va->list != &vmap_area_list) - return va; - - return NULL; - + return seq_list_start(&vmap_area_list, *pos); } static void *s_next(struct seq_file *m, void *p, loff_t *pos) { - struct vmap_area *va = p, *next; - - ++*pos; - next = list_next_entry(va, list); - if (&next->list != &vmap_area_list) - return next; - - return NULL; + return seq_list_next(p, &vmap_area_list, pos); } static void s_stop(struct seq_file *m, void *p) @@ -2634,9 +2615,11 @@ static void show_numa_info(struct seq_file *m, struct vm_struct *v) static int s_show(struct seq_file *m, void *p) { - struct vmap_area *va = p; + struct vmap_area *va; struct vm_struct *v; + va = list_entry(p, struct vmap_area, list); + /* * s_show can encounter race with remove_vm_area, !VM_VM_AREA on * behalf of vmap area is being tear down or vm_map_ram allocation. |