diff options
Diffstat (limited to 'include/linux/gpu_buddy.h')
| -rw-r--r-- | include/linux/gpu_buddy.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/gpu_buddy.h b/include/linux/gpu_buddy.h index 71941a039648..2c36124bb696 100644 --- a/include/linux/gpu_buddy.h +++ b/include/linux/gpu_buddy.h @@ -173,6 +173,21 @@ struct gpu_buddy { * that fits in the remaining space. */ struct gpu_buddy_block **roots; + /* + * Per-order free block scoreboard: free_scoreboard[order] holds the + * number of blocks of that order currently in the free state. + * Incremented in mark_free(), decremented wherever rbtree_remove() is + * called on a free block. + */ + u64 *free_scoreboard; + /* + * Per-order used block scoreboard: used_scoreboard[order] holds the + * number of blocks of that order currently in the allocated state. + * Incremented in mark_allocated(), decremented in mark_free() (guarded + * by gpu_buddy_block_is_allocated()) and in __gpu_buddy_free() when an + * allocated block is consumed directly during buddy coalescing. + */ + u64 *used_scoreboard; /* public: */ unsigned int n_roots; unsigned int max_order; @@ -272,6 +287,8 @@ void gpu_buddy_reset_clear(struct gpu_buddy *mm, bool is_clear); void gpu_buddy_free_block(struct gpu_buddy *mm, struct gpu_buddy_block *block); +struct gpu_buddy_block *gpu_buddy_allocated_addr_to_block(struct gpu_buddy *mm, u64 addr); + void gpu_buddy_free_list(struct gpu_buddy *mm, struct list_head *objects, unsigned int flags); |