diff options
Diffstat (limited to 'drivers/android/binder_alloc.h')
| -rw-r--r-- | drivers/android/binder_alloc.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h index 33c5f971c0a5..d71f99189ef5 100644 --- a/drivers/android/binder_alloc.h +++ b/drivers/android/binder_alloc.h @@ -59,17 +59,26 @@ struct binder_buffer { }; /** - * struct binder_lru_page - page object used for binder shrinker - * @page_ptr: pointer to physical page in mmap'd space - * @lru: entry in binder_freelist - * @alloc: binder_alloc for a proc + * struct binder_shrinker_mdata - binder metadata used to reclaim pages + * @lru: LRU entry in binder_freelist + * @alloc: binder_alloc owning the page to reclaim + * @page_index: offset in @alloc->pages[] into the page to reclaim */ -struct binder_lru_page { +struct binder_shrinker_mdata { struct list_head lru; - struct page *page_ptr; struct binder_alloc *alloc; + unsigned long page_index; }; +static inline struct list_head *page_to_lru(struct page *p) +{ + struct binder_shrinker_mdata *mdata; + + mdata = (struct binder_shrinker_mdata *)page_private(p); + + return &mdata->lru; +} + /** * struct binder_alloc - per-binder proc state for binder allocator * @mutex: protects binder_alloc fields @@ -83,7 +92,7 @@ struct binder_lru_page { * @allocated_buffers: rb tree of allocated buffers sorted by address * @free_async_space: VA space available for async buffers. This is * initialized at mmap time to 1/2 the full VA space - * @pages: array of binder_lru_page + * @pages: array of struct page * * @buffer_size: size of address space specified via mmap * @pid: pid for associated binder_proc (invariant after init) * @pages_high: high watermark of offset in @pages @@ -104,7 +113,7 @@ struct binder_alloc { struct rb_root free_buffers; struct rb_root allocated_buffers; size_t free_async_space; - struct binder_lru_page *pages; + struct page **pages; size_t buffer_size; int pid; size_t pages_high; |