diff options
| author | Zhang Yanfei <zhangyanfei@cn.fujitsu.com> | 2013-07-08 15:59:56 -0700 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-02 20:58:24 +0200 |
| commit | d4d4571d7f11d5435605c09e9c3ce6d14f11a078 (patch) | |
| tree | 9cace904bf1914070a870200764625d48cabb869 /mm/vmalloc.c | |
| parent | 6f7a65958e6f5362a0f53657e77eee3b478c135f (diff) | |
mm/vmalloc.c: remove alloc_map from vmap_block
As we have removed the dead code in the vb_alloc, it seems there is no
place to use the alloc_map. So there is no reason to maintain the
alloc_map in vmap_block.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change-Id: I28de3daf10ceefda9c19a9a9e253c7624038a323
(cherry picked from commit 68482067e5c67f79c8671dfc20bb3c9e2d3022e6)
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 2f331ba6d..9360e1ba5 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -760,7 +760,6 @@ struct vmap_block { spinlock_t lock; struct vmap_area *va; unsigned long free, dirty; - DECLARE_BITMAP(alloc_map, VMAP_BBMAP_BITS); DECLARE_BITMAP(dirty_map, VMAP_BBMAP_BITS); struct list_head free_list; struct rcu_head rcu_head; @@ -826,7 +825,6 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask) vb->va = va; vb->free = VMAP_BBMAP_BITS; vb->dirty = 0; - bitmap_zero(vb->alloc_map, VMAP_BBMAP_BITS); bitmap_zero(vb->dirty_map, VMAP_BBMAP_BITS); INIT_LIST_HEAD(&vb->free_list); @@ -878,7 +876,6 @@ static void purge_fragmented_blocks(int cpu) if (vb->free + vb->dirty == VMAP_BBMAP_BITS && vb->dirty != VMAP_BBMAP_BITS) { vb->free = 0; /* prevent further allocs after releasing lock */ vb->dirty = VMAP_BBMAP_BITS; /* prevent purging it again */ - bitmap_fill(vb->alloc_map, VMAP_BBMAP_BITS); bitmap_fill(vb->dirty_map, VMAP_BBMAP_BITS); spin_lock(&vbq->lock); list_del_rcu(&vb->free_list); |