process: Unmap previously allocated heap.

merge-requests/60/head
bunnei 2018-03-16 18:24:29 +07:00
parent 403f8e79ea
commit e9a857ce82
1 changed files with 3 additions and 1 deletions

@ -183,6 +183,8 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
// Initialize heap
heap_memory = std::make_shared<std::vector<u8>>();
heap_start = heap_end = target;
} else {
vm_manager.UnmapRange(heap_start, heap_end - heap_start);
}
// If necessary, expand backing vector to cover new heap extents.
@ -202,7 +204,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
size, MemoryState::Heap));
vm_manager.Reprotect(vma, perms);
heap_used += size;
heap_used = size;
memory_region->used += size;
return MakeResult<VAddr>(heap_end - size);