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branches/zip: buf_LRU_free_block(): Flag the buffer frame fully initialized

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when calling btr_search_drop_page_hash_index() and uninitialized after that.
This commit is contained in:
marko 2007-01-14 20:32:44 +00:00
parent ef4abdf10d
commit ac24d86c49
1 changed files with 9 additions and 1 deletions
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10
buf/buf0lru.c
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@ -944,9 +944,17 @@ buf_LRU_free_block(
mutex_exit(&(buf_pool->mutex));
mutex_exit(block_mutex);
/* Remove possible adaptive hash index on the page */
/* Remove possible adaptive hash index on the page.
The page was declared uninitialized by
buf_LRU_block_remove_hashed_page(). We need to flag
the contents of the page valid (which it still is) in
order to avoid bogus Valgrind warnings.*/
UNIV_MEM_VALID(((buf_block_t*) bpage)->frame,
UNIV_PAGE_SIZE);
btr_search_drop_page_hash_index((buf_block_t*) bpage);
UNIV_MEM_INVALID(((buf_block_t*) bpage)->frame,
UNIV_PAGE_SIZE);
ut_a(bpage->buf_fix_count == 0);
if (bpage->zip.data && UNIV_LIKELY(srv_use_checksums)) {