diff options
Diffstat (limited to 'include/linux/gpu_buddy.h')
| -rw-r--r-- | include/linux/gpu_buddy.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/gpu_buddy.h b/include/linux/gpu_buddy.h index 71941a039648..e037714563d8 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; |