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authorThomas Gleixner <tglx@linutronix.de>2011-07-12 09:39:36 (GMT)
committerScott Wood <scottwood@freescale.com>2014-05-14 18:38:36 (GMT)
commitd16ec3914b8be59b8dede3e3db7dc6f3f8df5e88 (patch)
treef39c28f22fbb51a18f243fce96430dd2729332e6 /mm
parent67539dc9e1d9a5cd35dae4a955204f404797885a (diff)
downloadlinux-fsl-qoriq-d16ec3914b8be59b8dede3e3db7dc6f3f8df5e88.tar.xz
mm-vmalloc.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm')
-rw-r--r--mm/vmalloc.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1074543..d64289d 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -790,7 +790,7 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
struct vmap_block *vb;
struct vmap_area *va;
unsigned long vb_idx;
- int node, err;
+ int node, err, cpu;
node = numa_node_id();
@@ -828,11 +828,12 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
BUG_ON(err);
radix_tree_preload_end();
- vbq = &get_cpu_var(vmap_block_queue);
+ cpu = get_cpu_light();
+ vbq = &__get_cpu_var(vmap_block_queue);
spin_lock(&vbq->lock);
list_add_rcu(&vb->free_list, &vbq->free);
spin_unlock(&vbq->lock);
- put_cpu_var(vmap_block_queue);
+ put_cpu_light();
return vb;
}
@@ -900,6 +901,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
struct vmap_block *vb;
unsigned long addr = 0;
unsigned int order;
+ int cpu = 0;
BUG_ON(size & ~PAGE_MASK);
BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
@@ -915,7 +917,8 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
again:
rcu_read_lock();
- vbq = &get_cpu_var(vmap_block_queue);
+ cpu = get_cpu_light();
+ vbq = &__get_cpu_var(vmap_block_queue);
list_for_each_entry_rcu(vb, &vbq->free, free_list) {
int i;
@@ -939,7 +942,7 @@ next:
spin_unlock(&vb->lock);
}
- put_cpu_var(vmap_block_queue);
+ put_cpu_light();
rcu_read_unlock();
if (!addr) {