Changeset 44442 in vbox for trunk

Timestamp:

Jan 29, 2013 10:39:21 AM (12 years ago)

Author:

vboxsync

Message:

GMMR0.cpp: Fixed sparse allocation of chunk IDs spotted by Frank (gmmR0AllocateChunkId). Both ASMBitNextClear and the gmmR0AllocateChunkId incremented the chunk ID before searching.

File:

• trunk/src/VBox/VMM/VMMR0/GMMR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/GMMR0.cpp

@@ -1960 +1960 @@
         &&  idChunk > NIL_GMM_CHUNKID)
     {
-        idChunk = ASMBitNextClear(&pGMM->bmChunkId[0], GMM_CHUNKID_LAST + 1, idChunk);
+        idChunk = ASMBitNextClear(&pGMM->bmChunkId[0], GMM_CHUNKID_LAST + 1, idChunk - 1);
         if (idChunk > NIL_GMM_CHUNKID)
         {