diff options
Diffstat (limited to 'src/btree/bt_delete.c')
-rw-r--r-- | src/btree/bt_delete.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/btree/bt_delete.c b/src/btree/bt_delete.c index 7313e31267f..e19085830bd 100644 --- a/src/btree/bt_delete.c +++ b/src/btree/bt_delete.c @@ -250,6 +250,18 @@ __wt_delete_page_skip(WT_SESSION_IMPL *session, WT_REF *ref, bool visible_all) __wt_txn_visible_all(session, ref->page_del->txnid) : __wt_txn_visible(session, ref->page_del->txnid)); + /* + * The page_del structure can be freed as soon as the delete is stable: + * it is only read when the ref state is WT_REF_DELETED. It is worth + * checking every time we come through because once this is freed, we + * no longer need synchronization to check the ref. + */ + if (skip && ref->page_del != NULL && (visible_all || + __wt_txn_visible_all(session, ref->page_del->txnid))) { + __wt_free(session, ref->page_del->update_list); + __wt_free(session, ref->page_del); + } + WT_PUBLISH(ref->state, WT_REF_DELETED); return (skip); } |