/*
* Return unused memory to the system if possible.
*/
static void trimHeaps()
{
HS_BOILERPLATE();
HeapSource *hs = gHs;
size_t heapBytes = 0;
for (size_t i = 0; i < hs->numHeaps; i++) {
Heap *heap = &hs->heaps[i];
/* Return the wilderness chunk to the system.
*/
mspace_trim(heap->msp, 0);
/* Return any whole free pages to the system.
*/
mspace_walk_free_pages(heap->msp, releasePagesInRange, &heapBytes);
}
/* Same for the native heap.
*/
dlmalloc_trim(0);
size_t nativeBytes = 0;
dlmalloc_walk_free_pages(releasePagesInRange, &nativeBytes);
LOGD_HEAP("madvised %zd (GC) + %zd (native) = %zd total bytes",
heapBytes, nativeBytes, heapBytes + nativeBytes);
}
TCustomFileSystem::~TCustomFileSystem()
{
#ifdef USE_DLMALLOC
dlmalloc_trim(0); // 64 * 1024);
#endif
}
void DLAllocator::CollectMemory()
{
dlmalloc_trim(0);
}
int qemu_instrumented_malloc_trim(size_t pad) {
return dlmalloc_trim(pad);
}
