]> asedeno.scripts.mit.edu Git - linux.git/blobdiff - drivers/android/binder_alloc.c
Merge remote-tracking branches 'asoc/fix/compress', 'asoc/fix/core', 'asoc/fix/dapm...
[linux.git] / drivers / android / binder_alloc.c
index c2819a3d58a66e63e49cd7e91d3b7caa7a6551a1..6f6f745605afc44861c22c29b55f8a74f42f3dd6 100644 (file)
@@ -186,12 +186,12 @@ struct binder_buffer *binder_alloc_prepare_to_free(struct binder_alloc *alloc,
 }
 
 static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
-                                   void *start, void *end,
-                                   struct vm_area_struct *vma)
+                                   void *start, void *end)
 {
        void *page_addr;
        unsigned long user_page_addr;
        struct binder_lru_page *page;
+       struct vm_area_struct *vma = NULL;
        struct mm_struct *mm = NULL;
        bool need_mm = false;
 
@@ -215,7 +215,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
                }
        }
 
-       if (!vma && need_mm && mmget_not_zero(alloc->vma_vm_mm))
+       if (need_mm && mmget_not_zero(alloc->vma_vm_mm))
                mm = alloc->vma_vm_mm;
 
        if (mm) {
@@ -437,7 +437,7 @@ struct binder_buffer *binder_alloc_new_buf_locked(struct binder_alloc *alloc,
        if (end_page_addr > has_page_addr)
                end_page_addr = has_page_addr;
        ret = binder_update_page_range(alloc, 1,
-           (void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr, NULL);
+           (void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr);
        if (ret)
                return ERR_PTR(ret);
 
@@ -478,7 +478,7 @@ struct binder_buffer *binder_alloc_new_buf_locked(struct binder_alloc *alloc,
 err_alloc_buf_struct_failed:
        binder_update_page_range(alloc, 0,
                                 (void *)PAGE_ALIGN((uintptr_t)buffer->data),
-                                end_page_addr, NULL);
+                                end_page_addr);
        return ERR_PTR(-ENOMEM);
 }
 
@@ -562,8 +562,7 @@ static void binder_delete_free_buffer(struct binder_alloc *alloc,
                                   alloc->pid, buffer->data,
                                   prev->data, next ? next->data : NULL);
                binder_update_page_range(alloc, 0, buffer_start_page(buffer),
-                                        buffer_start_page(buffer) + PAGE_SIZE,
-                                        NULL);
+                                        buffer_start_page(buffer) + PAGE_SIZE);
        }
        list_del(&buffer->entry);
        kfree(buffer);
@@ -600,8 +599,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc,
 
        binder_update_page_range(alloc, 0,
                (void *)PAGE_ALIGN((uintptr_t)buffer->data),
-               (void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK),
-               NULL);
+               (void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK));
 
        rb_erase(&buffer->rb_node, &alloc->allocated_buffers);
        buffer->free = 1;
@@ -984,7 +982,7 @@ binder_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
        return ret;
 }
 
-struct shrinker binder_shrinker = {
+static struct shrinker binder_shrinker = {
        .count_objects = binder_shrink_count,
        .scan_objects = binder_shrink_scan,
        .seeks = DEFAULT_SEEKS,