/****************************************************************************** * * Module Name: utalloc - local cache and memory allocation routines * $Revision: 103 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * *****************************************************************************/ #define __UTALLOC_C__ #include "acpi.h" #include "acparser.h" #include "acinterp.h" #include "acnamesp.h" #include "acglobal.h" #define _COMPONENT ACPI_UTILITIES MODULE_NAME ("utalloc") /****************************************************************************** * * FUNCTION: AcpiUtReleaseToCache * * PARAMETERS: ListId - Memory list/cache ID * Object - The object to be released * * RETURN: None * * DESCRIPTION: Release an object to the specified cache. If cache is full, * the object is deleted. * ******************************************************************************/ void AcpiUtReleaseToCache ( UINT32 ListId, void *Object) { ACPI_MEMORY_LIST *CacheInfo; FUNCTION_ENTRY (); /* If walk cache is full, just free this wallkstate object */ CacheInfo = &AcpiGbl_MemoryLists[ListId]; if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth) { ACPI_MEM_FREE (Object); ACPI_MEM_TRACKING (CacheInfo->TotalFreed++); } /* Otherwise put this object back into the cache */ else { AcpiUtAcquireMutex (ACPI_MTX_CACHES); /* Mark the object as cached */ MEMSET (Object, 0xCA, CacheInfo->ObjectSize); ((ACPI_OPERAND_OBJECT *) Object)->Common.DataType = ACPI_CACHED_OBJECT; /* Put the object at the head of the cache list */ * (char **) (((char *) Object) + CacheInfo->LinkOffset) = CacheInfo->ListHead; CacheInfo->ListHead = Object; CacheInfo->CacheDepth++; AcpiUtReleaseMutex (ACPI_MTX_CACHES); } } /****************************************************************************** * * FUNCTION: AcpiUtAcquireFromCache * * PARAMETERS: ListId - Memory list ID * * RETURN: A requested object. NULL if the object could not be * allocated. * * DESCRIPTION: Get an object from the specified cache. If cache is empty, * the object is allocated. * ******************************************************************************/ void * AcpiUtAcquireFromCache ( UINT32 ListId) { ACPI_MEMORY_LIST *CacheInfo; void *Object; PROC_NAME ("UtAcquireFromCache"); CacheInfo = &AcpiGbl_MemoryLists[ListId]; AcpiUtAcquireMutex (ACPI_MTX_CACHES); ACPI_MEM_TRACKING (CacheInfo->CacheRequests++); /* Check the cache first */ if (CacheInfo->ListHead) { /* There is an object available, use it */ Object = CacheInfo->ListHead; CacheInfo->ListHead = * (char **) (((char *) Object) + CacheInfo->LinkOffset); ACPI_MEM_TRACKING (CacheInfo->CacheHits++); CacheInfo->CacheDepth--; #ifdef ACPI_DBG_TRACK_ALLOCATIONS ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n", Object, AcpiGbl_MemoryLists[ListId].ListName)); #endif AcpiUtReleaseMutex (ACPI_MTX_CACHES); /* Clear (zero) the previously used Object */ MEMSET (Object, 0, CacheInfo->ObjectSize); } else { /* The cache is empty, create a new object */ /* Avoid deadlock with ACPI_MEM_CALLOCATE */ AcpiUtReleaseMutex (ACPI_MTX_CACHES); Object = ACPI_MEM_CALLOCATE (CacheInfo->ObjectSize); ACPI_MEM_TRACKING (CacheInfo->TotalAllocated++); } return (Object); } /****************************************************************************** * * FUNCTION: AcpiUtDeleteGenericCache * * PARAMETERS: ListId - Memory list ID * * RETURN: None * * DESCRIPTION: Free all objects within the requested cache. * ******************************************************************************/ void AcpiUtDeleteGenericCache ( UINT32 ListId) { ACPI_MEMORY_LIST *CacheInfo; char *Next; FUNCTION_ENTRY (); CacheInfo = &AcpiGbl_MemoryLists[ListId]; while (CacheInfo->ListHead) { /* Delete one cached state object */ Next = * (char **) (((char *) CacheInfo->ListHead) + CacheInfo->LinkOffset); ACPI_MEM_FREE (CacheInfo->ListHead); CacheInfo->ListHead = Next; CacheInfo->CacheDepth--; } } #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. AcpiUtAllocate and AcpiUtCallocate call * AcpiUtTrackAllocation to add an element to the list; deletion * occurs in the body of AcpiUtFree. */ /******************************************************************************* * * FUNCTION: AcpiUtFindAllocation * * PARAMETERS: Address - Address of allocated memory * * RETURN: A list element if found; NULL otherwise. * * DESCRIPTION: Searches for an element in the global allocation tracking list. * ******************************************************************************/ ACPI_DEBUG_MEM_BLOCK * AcpiUtFindAllocation ( UINT32 ListId, void *Address) { ACPI_DEBUG_MEM_BLOCK *Element; FUNCTION_ENTRY (); if (ListId > ACPI_MEM_LIST_MAX) { return (NULL); } Element = AcpiGbl_MemoryLists[ListId].ListHead; /* Search for the address. */ while (Element) { if (Element == Address) { return (Element); } Element = Element->Next; } return (NULL); } /******************************************************************************* * * FUNCTION: AcpiUtTrackAllocation * * PARAMETERS: Address - Address of allocated memory * Size - Size of the allocation * AllocType - MEM_MALLOC or MEM_CALLOC * Component - Component type of caller * Module - Source file name of caller * Line - Line number of caller * * RETURN: None. * * DESCRIPTION: Inserts an element into the global allocation tracking list. * ******************************************************************************/ ACPI_STATUS AcpiUtTrackAllocation ( UINT32 ListId, ACPI_DEBUG_MEM_BLOCK *Address, UINT32 Size, UINT8 AllocType, UINT32 Component, NATIVE_CHAR *Module, UINT32 Line) { ACPI_MEMORY_LIST *MemList; ACPI_DEBUG_MEM_BLOCK *Element; ACPI_STATUS Status = AE_OK; FUNCTION_TRACE_PTR ("UtTrackAllocation", Address); if (ListId > ACPI_MEM_LIST_MAX) { return_ACPI_STATUS (AE_BAD_PARAMETER); } MemList = &AcpiGbl_MemoryLists[ListId]; AcpiUtAcquireMutex (ACPI_MTX_MEMORY); /* * Search list for this address to make sure it is not already on the list. * This will catch several kinds of problems. */ Element = AcpiUtFindAllocation (ListId, Address); if (Element) { REPORT_ERROR (("UtTrackAllocation: Address already present in list! (%p)\n", Address)); ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", Element, Address)); goto UnlockAndExit; } /* Fill in the instance data. */ Address->Size = Size; Address->AllocType = AllocType; Address->Component = Component; Address->Line = Line; STRNCPY (Address->Module, Module, MAX_MODULE_NAME); /* Insert at list head */ if (MemList->ListHead) { ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Address; } Address->Next = MemList->ListHead; Address->Previous = NULL; MemList->ListHead = Address; UnlockAndExit: AcpiUtReleaseMutex (ACPI_MTX_MEMORY); return_ACPI_STATUS (Status); } /******************************************************************************* * * FUNCTION: AcpiUtRemoveAllocation * * PARAMETERS: Address - Address of allocated memory * Component - Component type of caller * Module - Source file name of caller * Line - Line number of caller * * RETURN: * * DESCRIPTION: Deletes an element from the global allocation tracking list. * ******************************************************************************/ ACPI_STATUS AcpiUtRemoveAllocation ( UINT32 ListId, ACPI_DEBUG_MEM_BLOCK *Address, UINT32 Component, NATIVE_CHAR *Module, UINT32 Line) { ACPI_MEMORY_LIST *MemList; FUNCTION_TRACE ("UtRemoveAllocation"); if (ListId > ACPI_MEM_LIST_MAX) { return_ACPI_STATUS (AE_BAD_PARAMETER); } MemList = &AcpiGbl_MemoryLists[ListId]; if (NULL == MemList->ListHead) { /* No allocations! */ _REPORT_ERROR (Module, Line, Component, ("UtRemoveAllocation: Empty allocation list, nothing to free!\n")); return_ACPI_STATUS (AE_OK); } AcpiUtAcquireMutex (ACPI_MTX_MEMORY); /* Unlink */ if (Address->Previous) { (Address->Previous)->Next = Address->Next; } else { MemList->ListHead = Address->Next; } if (Address->Next) { (Address->Next)->Previous = Address->Previous; } /* Mark the segment as deleted */ MEMSET (&Address->UserSpace, 0xEA, Address->Size); ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size %X\n", Address->Size)); AcpiUtReleaseMutex (ACPI_MTX_MEMORY); return_ACPI_STATUS (AE_OK); } /******************************************************************************* * * FUNCTION: AcpiUtDumpAllocationInfo * * PARAMETERS: * * RETURN: None * * DESCRIPTION: Print some info about the outstanding allocations. * ******************************************************************************/ void AcpiUtDumpAllocationInfo ( void) { /* ACPI_MEMORY_LIST *MemList; */ FUNCTION_TRACE ("UtDumpAllocationInfo"); /* ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Current allocations", MemList->CurrentCount, ROUND_UP_TO_1K (MemList->CurrentSize))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", MemList->MaxConcurrentCount, ROUND_UP_TO_1K (MemList->MaxConcurrentSize))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", RunningObjectCount, ROUND_UP_TO_1K (RunningObjectSize))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", RunningAllocCount, ROUND_UP_TO_1K (RunningAllocSize))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Current Nodes", AcpiGbl_CurrentNodeCount, ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Max Nodes", AcpiGbl_MaxConcurrentNodeCount, ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * sizeof (ACPI_NAMESPACE_NODE))))); */ return_VOID; } /******************************************************************************* * * FUNCTION: AcpiUtDumpAllocations * * PARAMETERS: Component - Component(s) to dump info for. * Module - Module to dump info for. NULL means all. * * RETURN: None * * DESCRIPTION: Print a list of all outstanding allocations. * ******************************************************************************/ void AcpiUtDumpAllocations ( UINT32 Component, NATIVE_CHAR *Module) { ACPI_DEBUG_MEM_BLOCK *Element; UINT32 i; FUNCTION_TRACE ("UtDumpAllocations"); Element = AcpiGbl_MemoryLists[0].ListHead; if (Element == NULL) { ACPI_DEBUG_PRINT ((ACPI_DB_OK, "No outstanding allocations.\n")); return_VOID; } /* * Walk the allocation list. */ AcpiUtAcquireMutex (ACPI_MTX_MEMORY); ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Outstanding allocations:\n")); for (i = 1; ; i++) /* Just a counter */ { if ((Element->Component & Component) && ((Module == NULL) || (0 == STRCMP (Module, Element->Module)))) { if (((ACPI_OPERAND_OBJECT *)(&Element->UserSpace))->Common.Type != ACPI_CACHED_OBJECT) { ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "%p Len %04lX %9.9s-%ld", &Element->UserSpace, Element->Size, Element->Module, Element->Line)); /* Most of the elements will be internal objects. */ switch (((ACPI_OPERAND_OBJECT *) (&Element->UserSpace))->Common.DataType) { case ACPI_DESC_TYPE_INTERNAL: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " ObjType %s", AcpiUtGetTypeName (((ACPI_OPERAND_OBJECT *)(&Element->UserSpace))->Common.Type))); break; case ACPI_DESC_TYPE_PARSER: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " ParseObj Opcode %04X", ((ACPI_PARSE_OBJECT *)(&Element->UserSpace))->Opcode)); break; case ACPI_DESC_TYPE_NAMED: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " Node %4.4s", &((ACPI_NAMESPACE_NODE *)(&Element->UserSpace))->Name)); break; case ACPI_DESC_TYPE_STATE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " Untyped StateObj")); break; case ACPI_DESC_TYPE_STATE_UPDATE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " UPDATE StateObj")); break; case ACPI_DESC_TYPE_STATE_PACKAGE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " PACKAGE StateObj")); break; case ACPI_DESC_TYPE_STATE_CONTROL: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " CONTROL StateObj")); break; case ACPI_DESC_TYPE_STATE_RPSCOPE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " ROOT-PARSE-SCOPE StateObj")); break; case ACPI_DESC_TYPE_STATE_PSCOPE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " PARSE-SCOPE StateObj")); break; case ACPI_DESC_TYPE_STATE_WSCOPE: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " WALK-SCOPE StateObj")); break; case ACPI_DESC_TYPE_STATE_RESULT: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " RESULT StateObj")); break; case ACPI_DESC_TYPE_STATE_NOTIFY: ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, " NOTIFY StateObj")); break; } ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OK, "\n")); } } if (Element->Next == NULL) { break; } Element = Element->Next; } AcpiUtReleaseMutex (ACPI_MTX_MEMORY); ACPI_DEBUG_PRINT ((ACPI_DB_OK, "Total number of unfreed allocations = %d(%X)\n", i,i)); return_VOID; } /******************************************************************************* * * FUNCTION: AcpiUtAllocate * * 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 * AcpiUtAllocate ( UINT32 Size, UINT32 Component, NATIVE_CHAR *Module, UINT32 Line) { ACPI_DEBUG_MEM_BLOCK *Address; ACPI_STATUS Status; FUNCTION_TRACE_U32 ("UtAllocate", Size); /* Check for an inadvertent size of zero bytes */ if (!Size) { _REPORT_ERROR (Module, Line, Component, ("UtAllocate: Attempt to allocate zero bytes\n")); Size = 1; } Address = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK)); if (!Address) { /* Report allocation error */ _REPORT_ERROR (Module, Line, Component, ("UtAllocate: Could not allocate size %X\n", Size)); return_PTR (NULL); } Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Address, Size, MEM_MALLOC, Component, Module, Line); if (ACPI_FAILURE (Status)) { AcpiOsFree (Address); return_PTR (NULL); } AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++; AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += Size; ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", Address, Size)); return_PTR ((void *) &Address->UserSpace); } /******************************************************************************* * * FUNCTION: AcpiUtCallocate * * 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 * AcpiUtCallocate ( UINT32 Size, UINT32 Component, NATIVE_CHAR *Module, UINT32 Line) { ACPI_DEBUG_MEM_BLOCK *Address; ACPI_STATUS Status; FUNCTION_TRACE_U32 ("UtCallocate", Size); /* Check for an inadvertent size of zero bytes */ if (!Size) { _REPORT_ERROR (Module, Line, Component, ("UtCallocate: Attempt to allocate zero bytes\n")); return_PTR (NULL); } Address = AcpiOsCallocate (Size + sizeof (ACPI_DEBUG_MEM_BLOCK)); if (!Address) { /* Report allocation error */ _REPORT_ERROR (Module, Line, Component, ("UtCallocate: Could not allocate size %X\n", Size)); return_PTR (NULL); } Status = AcpiUtTrackAllocation (ACPI_MEM_LIST_GLOBAL, Address, Size, MEM_CALLOC, Component, Module, Line); if (ACPI_FAILURE (Status)) { AcpiOsFree (Address); return_PTR (NULL); } AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalAllocated++; AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize += Size; ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", Address, Size)); return_PTR ((void *) &Address->UserSpace); } /******************************************************************************* * * FUNCTION: AcpiUtFree * * PARAMETERS: Address - 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 Address * ******************************************************************************/ void AcpiUtFree ( void *Address, UINT32 Component, NATIVE_CHAR *Module, UINT32 Line) { ACPI_DEBUG_MEM_BLOCK *DebugBlock; FUNCTION_TRACE_PTR ("UtFree", Address); if (NULL == Address) { _REPORT_ERROR (Module, Line, Component, ("AcpiUtFree: Trying to delete a NULL address\n")); return_VOID; } DebugBlock = (ACPI_DEBUG_MEM_BLOCK *) (((char *) Address) - sizeof (ACPI_DEBUG_MEM_HEADER)); AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].TotalFreed++; AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].CurrentTotalSize -= DebugBlock->Size; AcpiUtRemoveAllocation (ACPI_MEM_LIST_GLOBAL, DebugBlock, Component, Module, Line); AcpiOsFree (DebugBlock); ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Address)); return_VOID; } #endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */