summaryrefslogtreecommitdiff
path: root/include/linux/rmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/rmap.h')
-rw-r--r--include/linux/rmap.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 590c291a8cd9..2148b122779b 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -7,7 +7,7 @@
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/mm.h>
-#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/memcontrol.h>
/*
@@ -26,7 +26,7 @@
*/
struct anon_vma {
struct anon_vma *root; /* Root of this anon_vma tree */
- spinlock_t lock; /* Serialize access to vma list */
+ struct mutex mutex; /* Serialize access to vma list */
/*
* The refcount is taken on an anon_vma when there is no
* guarantee that the vma of page tables will exist for
@@ -64,7 +64,7 @@ struct anon_vma_chain {
struct vm_area_struct *vma;
struct anon_vma *anon_vma;
struct list_head same_vma; /* locked by mmap_sem & page_table_lock */
- struct list_head same_anon_vma; /* locked by anon_vma->lock */
+ struct list_head same_anon_vma; /* locked by anon_vma->mutex */
};
#ifdef CONFIG_MMU
@@ -93,24 +93,24 @@ static inline void vma_lock_anon_vma(struct vm_area_struct *vma)
{
struct anon_vma *anon_vma = vma->anon_vma;
if (anon_vma)
- spin_lock(&anon_vma->root->lock);
+ mutex_lock(&anon_vma->root->mutex);
}
static inline void vma_unlock_anon_vma(struct vm_area_struct *vma)
{
struct anon_vma *anon_vma = vma->anon_vma;
if (anon_vma)
- spin_unlock(&anon_vma->root->lock);
+ mutex_unlock(&anon_vma->root->mutex);
}
static inline void anon_vma_lock(struct anon_vma *anon_vma)
{
- spin_lock(&anon_vma->root->lock);
+ mutex_lock(&anon_vma->root->mutex);
}
static inline void anon_vma_unlock(struct anon_vma *anon_vma)
{
- spin_unlock(&anon_vma->root->lock);
+ mutex_unlock(&anon_vma->root->mutex);
}
/*