diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index c260b5e35c2..bf169cc7eb6 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -789,7 +789,6 @@ struct vmap_block_queue { struct vmap_block { spinlock_t lock; struct vmap_area *va; - struct vmap_block_queue *vbq; unsigned long free, dirty; DECLARE_BITMAP(alloc_map, VMAP_BBMAP_BITS); DECLARE_BITMAP(dirty_map, VMAP_BBMAP_BITS); @@ -869,7 +868,6 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask) radix_tree_preload_end(); vbq = &get_cpu_var(vmap_block_queue); - vb->vbq = vbq; spin_lock(&vbq->lock); list_add_rcu(&vb->free_list, &vbq->free); spin_unlock(&vbq->lock); @@ -1069,15 +1067,16 @@ void vm_unmap_aliases(void) rcu_read_lock(); list_for_each_entry_rcu(vb, &vbq->free, free_list) { - int i; + int i, j; spin_lock(&vb->lock); i = find_first_bit(vb->dirty_map, VMAP_BBMAP_BITS); - while (i < VMAP_BBMAP_BITS) { + if (i < VMAP_BBMAP_BITS) { unsigned long s, e; - int j; - j = find_next_zero_bit(vb->dirty_map, - VMAP_BBMAP_BITS, i); + + j = find_last_bit(vb->dirty_map, + VMAP_BBMAP_BITS); + j = j + 1; /* need exclusive index */ s = vb->va->va_start + (i << PAGE_SHIFT); e = vb->va->va_start + (j << PAGE_SHIFT); @@ -1087,10 +1086,6 @@ void vm_unmap_aliases(void) start = s; if (e > end) end = e; - - i = j; - i = find_next_bit(vb->dirty_map, - VMAP_BBMAP_BITS, i); } spin_unlock(&vb->lock); } |