branches/zip: Add Valgrind instrumentation to the InnoDB memory management

functions.

ut_malloc_low(): Flag the block with UNIV_MEM_ALLOC().  Do not flag the
block with UNIV_MEM_FREE() in ut_free(), because it would cause bogus
Valgrind warnings in the underlying memory allocator.

mem_pool_create(): Flag the data area with UNIV_MEM_FREE().

mem_pool_fill_free_list(): Flag the area header with UNIV_MEM_ALLOC().

mem_area_alloc(): Flag the data area with UNIV_MEM_ALLOC().

mem_area_free(): Flag the data area with UNIV_MEM_FREE().

mem_heap_alloc(): Flag the buffer with UNIV_MEM_ALLOC().

mem_heap_block_free(): Flag the block with UNIV_MEM_FREE().

mem_heap_free_top(): Flag the block with UNIV_MEM_FREE().

include/mem0mem.ic

@@ -164,6 +164,8 @@ mem_heap_alloc(
 	mem_block_set_free(block, free + MEM_SPACE_NEEDED(n));
 
 #ifdef UNIV_MEM_DEBUG
+	UNIV_MEM_ALLOC(buf,
+		       n + MEM_FIELD_HEADER_SIZE + MEM_FIELD_TRAILER_SIZE);
 
 	/* In the debug version write debugging info to the field */
 	mem_field_init((byte*)buf, n);
@@ -174,8 +176,10 @@ mem_heap_alloc(
 
 #endif
 #ifdef UNIV_SET_MEM_TO_ZERO
+	UNIV_MEM_ALLOC(buf, n);
 	memset(buf, '\0', n);
 #endif
+	UNIV_MEM_ALLOC(buf, n);
 	return(buf);
 }
 
@@ -366,6 +370,8 @@ mem_heap_free_top(
 	if ((heap != block) && (mem_block_get_free(block)
 				== mem_block_get_start(block))) {
 		mem_heap_block_free(heap, block);
+	} else {
+		UNIV_MEM_FREE((byte*) block + mem_block_get_free(block), n);
 	}
 }
 

mem/mem0mem.c

@@ -506,6 +506,7 @@ mem_heap_block_free(
 
 	mem_erase_buf((byte*)block, len);
 #endif
+	UNIV_MEM_FREE(block, len);
 
 	if (type == MEM_HEAP_DYNAMIC) {
 

mem/mem0pool.c

@@ -229,6 +229,8 @@ mem_pool_create(
 
 		mem_area_set_size(area, ut_2_exp(i));
 		mem_area_set_free(area, TRUE);
+		UNIV_MEM_FREE(MEM_AREA_EXTRA_SIZE + (byte*) area,
+			      ut_2_exp(i) - MEM_AREA_EXTRA_SIZE);
 
 		UT_LIST_ADD_FIRST(free_list, pool->free_list[i], area);
 
@@ -259,7 +261,7 @@ mem_pool_fill_free_list(
 
 	ut_ad(mutex_own(&(pool->mutex)));
 
-	if (i >= 63) {
+	if (UNIV_UNLIKELY(i >= 63)) {
 		/* We come here when we have run out of space in the
 		memory pool: */
 
@@ -291,7 +293,7 @@ mem_pool_fill_free_list(
 		area = UT_LIST_GET_FIRST(pool->free_list[i + 1]);
 	}
 
-	if (UT_LIST_GET_LEN(pool->free_list[i + 1]) == 0) {
+	if (UNIV_UNLIKELY(UT_LIST_GET_LEN(pool->free_list[i + 1]) == 0)) {
 		mem_analyze_corruption(area);
 
 		ut_error;
@@ -300,6 +302,7 @@ mem_pool_fill_free_list(
 	UT_LIST_REMOVE(free_list, pool->free_list[i + 1], area);
 
 	area2 = (mem_area_t*)(((byte*)area) + ut_2_exp(i));
+	UNIV_MEM_ALLOC(area2, MEM_AREA_EXTRA_SIZE);
 
 	mem_area_set_size(area2, ut_2_exp(i));
 	mem_area_set_free(area2, TRUE);
@@ -400,6 +403,8 @@ mem_area_alloc(
 	mutex_exit(&(pool->mutex));
 
 	ut_ad(mem_pool_validate(pool));
+	UNIV_MEM_ALLOC(MEM_AREA_EXTRA_SIZE + (byte*)area,
+		       ut_2_exp(n) - MEM_AREA_EXTRA_SIZE);
 
 	return((void*)(MEM_AREA_EXTRA_SIZE + ((byte*)area)));
 }
@@ -482,6 +487,7 @@ mem_area_free(
 	}
 
 	size = mem_area_get_size(area);
+	UNIV_MEM_FREE(ptr, size - MEM_AREA_EXTRA_SIZE);
 
 	if (size == 0) {
 		fprintf(stderr,

ut/ut0mem.c

@@ -162,6 +162,8 @@ ut_malloc_low(
 #endif
 	}
 
+	UNIV_MEM_ALLOC(ret, n + sizeof(ut_mem_block_t));
+
 	((ut_mem_block_t*)ret)->size = n + sizeof(ut_mem_block_t);
 	((ut_mem_block_t*)ret)->magic_n = UT_MEM_MAGIC_N;