- ACPI_FUNCTION_TRACE_U32("ut_callocate", size);
-
- /* Check for an inadvertent size of zero bytes */
-
- if (!size) {
- ACPI_ERROR((module, line,
- "Attempt to allocate zero bytes, allocating 1 byte"));
- size = 1;
- }
-
- allocation = acpi_os_allocate(size);
- if (!allocation) {
- /* Report allocation error */
-
- ACPI_ERROR((module, line,
- "Could not allocate size %X", (u32) size));
- return_PTR(NULL);
- }
-
- /* Clear the memory block */
-
- ACPI_MEMSET(allocation, 0, size);
- return_PTR(allocation);
-}
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-/*
- * These procedures are used for tracking memory leaks in the subsystem, and
- * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
- *
- * Each memory allocation is tracked via a doubly linked list. Each
- * element contains the caller's component, module name, function name, and
- * line number. acpi_ut_allocate and acpi_ut_callocate call
- * acpi_ut_track_allocation to add an element to the list; deletion
- * occurs in the body of acpi_ut_free.
- */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_list
- *
- * PARAMETERS: cache_name - Ascii name for the cache
- * object_size - Size of each cached object
- * return_cache - Where the new cache object is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a local memory list for tracking purposed
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_create_list(char *list_name,
- u16 object_size, struct acpi_memory_list **return_cache)
-{
- struct acpi_memory_list *cache;
-
- cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
- if (!cache) {
- return (AE_NO_MEMORY);
- }
-
- ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
-
- cache->list_name = list_name;
- cache->object_size = object_size;
-
- *return_cache = cache;
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_allocate_and_track
- *
- * PARAMETERS: Size - Size of the allocation
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: Address of the allocated memory on success, NULL on failure.
- *
- * DESCRIPTION: The subsystem's equivalent of malloc.
- *
- ******************************************************************************/
-
-void *acpi_ut_allocate_and_track(acpi_size size,
- u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *allocation;
- acpi_status status;
-
- allocation =
- acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header),
- component, module, line);
- if (!allocation) {
- return (NULL);
- }
-
- status = acpi_ut_track_allocation(allocation, size,
- ACPI_MEM_MALLOC, component, module,
- line);
- if (ACPI_FAILURE(status)) {
- acpi_os_free(allocation);
- return (NULL);
- }
-
- acpi_gbl_global_list->total_allocated++;
- acpi_gbl_global_list->current_total_size += (u32) size;
-
- return ((void *)&allocation->user_space);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_callocate_and_track
- *
- * PARAMETERS: Size - Size of the allocation
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: Address of the allocated memory on success, NULL on failure.
- *
- * DESCRIPTION: Subsystem equivalent of calloc.
- *
- ******************************************************************************/
-
-void *acpi_ut_callocate_and_track(acpi_size size,
- u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *allocation;
- acpi_status status;
-
- allocation =
- acpi_ut_callocate(size + sizeof(struct acpi_debug_mem_header),
- component, module, line);
- if (!allocation) {
- /* Report allocation error */
-
- ACPI_ERROR((module, line,
- "Could not allocate size %X", (u32) size));
- return (NULL);
- }
-
- status = acpi_ut_track_allocation(allocation, size,
- ACPI_MEM_CALLOC, component, module,
- line);
- if (ACPI_FAILURE(status)) {
- acpi_os_free(allocation);
- return (NULL);
- }
-
- acpi_gbl_global_list->total_allocated++;
- acpi_gbl_global_list->current_total_size += (u32) size;
-
- return ((void *)&allocation->user_space);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_free_and_track
- *
- * PARAMETERS: Allocation - Address of the memory to deallocate
- * Component - Component type of caller
- * Module - Source file name of caller
- * Line - Line number of caller
- *
- * RETURN: None
- *
- * DESCRIPTION: Frees the memory at Allocation
- *
- ******************************************************************************/
-
-void
-acpi_ut_free_and_track(void *allocation, u32 component, char *module, u32 line)
-{
- struct acpi_debug_mem_block *debug_block;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE_PTR("ut_free", allocation);
-
- if (NULL == allocation) {
- ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
-
- return_VOID;
- }
-
- debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
- (((char *)allocation) -
- sizeof(struct acpi_debug_mem_header)));
-
- acpi_gbl_global_list->total_freed++;
- acpi_gbl_global_list->current_total_size -= debug_block->size;
-
- status = acpi_ut_remove_allocation(debug_block,
- component, module, line);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
- }
-
- acpi_os_free(debug_block);
- ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
- return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_find_allocation
- *
- * PARAMETERS: Allocation - Address of allocated memory
- *
- * RETURN: A list element if found; NULL otherwise.
- *
- * DESCRIPTION: Searches for an element in the global allocation tracking list.
- *
- ******************************************************************************/
-
-static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation)
-{
- struct acpi_debug_mem_block *element;
-