void FragmentMemoryFunc()
{
ChunkCommitEnd = 0;
TInt r;
while(KErrNone == (r = Chunk.Commit(ChunkCommitEnd,PageSize)) && !FragThreadStop)
{
ChunkCommitEnd += PageSize;
}
if (FragThreadStop)
return;
test_Equal(KErrNoMemory, r);
TUint freeBlocks = 0;
for ( TUint offset = 0;
(offset + FragData.iSize) < ChunkCommitEnd;
offset += FragData.iFrequency, freeBlocks++)
{
test_KErrNone(Chunk.Decommit(offset, FragData.iSize));
}
if (FragData.iDiscard && CacheSizeAdjustable && !FragThreadStop)
{
TUint minCacheSize = FreeRam();
TUint maxCacheSize = minCacheSize;
DPTest::SetCacheSize(minCacheSize, maxCacheSize);
if (OrigMinCacheSize <= maxCacheSize)
DPTest::SetCacheSize(OrigMinCacheSize, maxCacheSize);
}
}
// Only commits and decommits the first page as that is the only page that is being moved.
// Plus this ensures the page table and page directories of the chunk are always allocated
// and therefore prevents Epoc::LinearToPhysical() from crashing the system.
TInt CommitDecommit(TAny* aParam)
{
RChunk* chunk = (RChunk*) aParam;
volatile TUint8* byte = chunk->Base();
FOREVER
{
*byte = *byte;
User::AfterHighRes(0);
TInt r = chunk->Decommit(0, PageSize);
if (r != KErrNone)
return r;
User::AfterHighRes(0);
r = chunk->Commit(0, PageSize);
if (r != KErrNone)
return r;
}
}
void UnfragmentMemoryFunc()
{
if (FragData.iDiscard && CacheSizeAdjustable)
DPTest::SetCacheSize(OrigMinCacheSize, OrigMaxCacheSize);
Chunk.Decommit(0, Chunk.MaxSize());
}