diff options
Diffstat (limited to 'storage/innobase/include/buf0buddy.h')
| -rw-r--r-- | storage/innobase/include/buf0buddy.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/storage/innobase/include/buf0buddy.h b/storage/innobase/include/buf0buddy.h index 7fc4408505d..c2c100e83e6 100644 --- a/storage/innobase/include/buf0buddy.h +++ b/storage/innobase/include/buf0buddy.h @@ -39,7 +39,7 @@ Allocate a block. The thread calling this function must hold buf_pool->mutex and must not hold buf_pool->zip_mutex or any block->mutex. The buf_pool->mutex may be released and reacquired. This function should only be used for allocating compressed page frames. -@return allocated block, never NULL */ +@return allocated block, never NULL */ UNIV_INLINE byte* buf_buddy_alloc( @@ -70,6 +70,24 @@ buf_buddy_free( up to UNIV_PAGE_SIZE */ MY_ATTRIBUTE((nonnull)); +/** Reallocate a block. +@param[in] buf_pool buffer pool instance +@param[in] buf block to be reallocated, must be pointed +to by the buffer pool +@param[in] size block size, up to UNIV_PAGE_SIZE +@retval false if failed because of no free blocks. */ +bool +buf_buddy_realloc( + buf_pool_t* buf_pool, + void* buf, + ulint size); + +/** Combine all pairs of free buddies. +@param[in] buf_pool buffer pool instance */ +void +buf_buddy_condense_free( + buf_pool_t* buf_pool); + #ifndef UNIV_NONINL # include "buf0buddy.ic" #endif |