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authorThomas Gleixner <tglx@linutronix.de>2011-07-12 11:39:36 +0200
committerAnders Roxell <anders.roxell@linaro.org>2015-05-08 22:32:35 +0200
commitbb766c11686ab422b2bf41da24be1f978d2675fe (patch)
tree282e42612df22ed78d17dc8bdca588b25308b884 /mm
parent531b5711e68a721e2042289f156e2bfdc7760b60 (diff)
mm-vmalloc.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
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 90520af7f186..43122b6c46ed 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -798,7 +798,7 @@ 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();
@@ -836,11 +836,12 @@ 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;
}
@@ -908,6 +909,7 @@ 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);
@@ -923,7 +925,8 @@ 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;
@@ -947,7 +950,7 @@ next:
spin_unlock(&vb->lock);
}
- put_cpu_var(vmap_block_queue);
+ put_cpu_light();
rcu_read_unlock();
if (!addr) {