| 1 | /* $Id: bs3-cmn-SlabListFree.c 58789 2015-11-20 03:38:25Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3SlabListFree
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2015 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #include "bs3kit-template-header.h"
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| 28 |
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| 29 |
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| 30 | BS3_DECL(void) Bs3SlabListFree(PBS3SLABHEAD pHead, void BS3_FAR *pvChunks, uint16_t cChunks)
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| 31 | {
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| 32 | BS3_ASSERT(cChunks > 0);
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| 33 | if (cChunks > 0)
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| 34 | {
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| 35 | PBS3SLABCTL pCur;
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| 36 | BS3_XPTR_AUTO(void, pvFlatChunk);
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| 37 | BS3_XPTR_SET(void, pvFlatChunk, pvChunks);
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| 38 |
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| 39 | for (pCur = BS3_XPTR_GET(BS3SLABCTL, pHead->pFirst);
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| 40 | pCur != NULL;
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| 41 | pCur = BS3_XPTR_GET(BS3SLABCTL, pCur->pNext))
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| 42 | {
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| 43 | if ( ((BS3_XPTR_GET_FLAT(void, pvFlatChunk) - BS3_XPTR_GET_FLAT(uint8_t, pCur->pbStart)) >> pCur->cChunkShift)
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| 44 | < pCur->cChunks)
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| 45 | {
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| 46 | pHead->cFreeChunks += Bs3SlabFree(pCur, BS3_XPTR_GET_FLAT(void, pvFlatChunk), cChunks);
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| 47 | return;
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| 48 | }
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| 49 | }
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| 50 | BS3_ASSERT(0);
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| 51 | }
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| 52 | }
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| 53 |
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