diff options
Diffstat (limited to 'drivers/android/binder_alloc.h')
| -rw-r--r-- | drivers/android/binder_alloc.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h index a5181916942e..70387234477e 100644 --- a/drivers/android/binder_alloc.h +++ b/drivers/android/binder_alloc.h @@ -9,7 +9,7 @@ #include <linux/rbtree.h> #include <linux/list.h> #include <linux/mm.h> -#include <linux/rtmutex.h> +#include <linux/spinlock.h> #include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/list_lru.h> @@ -72,7 +72,7 @@ struct binder_lru_page { /** * struct binder_alloc - per-binder proc state for binder allocator - * @mutex: protects binder_alloc fields + * @lock: protects binder_alloc fields * @vma: vm_area_struct passed to mmap_handler * (invariant after mmap) * @mm: copy of task->mm (invariant after open) @@ -96,7 +96,7 @@ struct binder_lru_page { * struct binder_buffer objects used to track the user buffers */ struct binder_alloc { - struct mutex mutex; + spinlock_t lock; struct vm_area_struct *vma; struct mm_struct *mm; unsigned long buffer; @@ -153,9 +153,9 @@ binder_alloc_get_free_async_space(struct binder_alloc *alloc) { size_t free_async_space; - mutex_lock(&alloc->mutex); + spin_lock(&alloc->lock); free_async_space = alloc->free_async_space; - mutex_unlock(&alloc->mutex); + spin_unlock(&alloc->lock); return free_async_space; } |