summaryrefslogtreecommitdiff
path: root/storage/innobase/include/buf0lru.h
diff options
context:
space:
mode:
Diffstat (limited to 'storage/innobase/include/buf0lru.h')
-rw-r--r--storage/innobase/include/buf0lru.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/storage/innobase/include/buf0lru.h b/storage/innobase/include/buf0lru.h
index aec08e77f54..e94959ca7e9 100644
--- a/storage/innobase/include/buf0lru.h
+++ b/storage/innobase/include/buf0lru.h
@@ -1,7 +1,7 @@
/*****************************************************************************
Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2021, MariaDB Corporation.
+Copyright (c) 2017, 2022, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
@@ -84,8 +84,9 @@ we put it to free list to be used.
* scan LRU list even if buf_pool.try_LRU_scan is not set
@param have_mutex whether buf_pool.mutex is already being held
-@return the free control block, in state BUF_BLOCK_MEMORY */
-buf_block_t* buf_LRU_get_free_block(bool have_mutex)
+@return the free control block, in state BUF_BLOCK_MEMORY
+@retval nullptr if no block is available (buf_pool.mutex will be released) */
+buf_block_t *buf_LRU_get_free_block(bool have_mutex)
MY_ATTRIBUTE((malloc,warn_unused_result));
/** @return whether the unzip_LRU list should be used for evicting a victim