diff options
Diffstat (limited to 'src/include/btree.i')
| -rw-r--r-- | src/include/btree.i | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/include/btree.i b/src/include/btree.i index 09fa8df8c56..315efa86fa6 100644 --- a/src/include/btree.i +++ b/src/include/btree.i @@ -71,6 +71,30 @@ __wt_btree_bytes_inuse(WT_SESSION_IMPL *session) } /* + * __wt_btree_bytes_evictable -- + * Return the number of bytes that can be evicted (i.e. bytes apart from + * the pinned root page). + */ +static inline uint64_t +__wt_btree_bytes_evictable(WT_SESSION_IMPL *session) +{ + WT_BTREE *btree; + WT_CACHE *cache; + WT_PAGE *root_page; + uint64_t bytes_inmem, bytes_root; + + btree = S2BT(session); + cache = S2C(session)->cache; + root_page = btree->root.page; + + bytes_inmem = btree->bytes_inmem; + bytes_root = root_page == NULL ? 0 : root_page->memory_footprint; + + return (bytes_inmem <= bytes_root ? 0 : + __wt_cache_bytes_plus_overhead(cache, bytes_inmem - bytes_root)); +} + +/* * __wt_btree_dirty_inuse -- * Return the number of dirty bytes in use. */ @@ -1324,8 +1348,8 @@ __wt_page_can_evict( * discards its WT_REF array, and a thread traversing the original * parent page index might see a freed WT_REF. */ - if (WT_PAGE_IS_INTERNAL(page) && - F_ISSET_ATOMIC(page, WT_PAGE_SPLIT_BLOCK)) + if (WT_PAGE_IS_INTERNAL(page) && !__wt_split_obsolete( + session, page->pg_intl_split_gen)) return (false); /* |