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[Zion] Free memory that was allocated with the slab allocator.

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This reduces the number of active allocs by ~ 200.
Size 8: 142 -> 2
Size 16: 319 > 313
Size 32: 364-> 312
This commit is contained in:
Drew Galbraith 2023-11-15 12:53:14 -08:00
parent 6d27ee5dc5
commit 659f122c9e
6 changed files with 50 additions and 15 deletions
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26
zion/memory/kernel_heap.cpp
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@ -24,12 +24,15 @@ void InitMemory(uint8_t* addr, uint64_t size) {
}
}
bool IsSlab(void* addr) {
uint64_t uaddr = reinterpret_cast<uint64_t>(addr);
return uaddr >= kKernelSlabHeapStart && uaddr < kKernelSlabHeapEnd;
}
} // namespace
KernelHeap::KernelHeap(uint64_t lower_bound, uint64_t upper_bound)
: next_addr_(lower_bound), upper_bound_(upper_bound) {
gKernelHeap = this;
}
KernelHeap::KernelHeap() { gKernelHeap = this; }
void KernelHeap::InitializeSlabAllocators() {
slab_8_ = glcr::MakeUnique<SlabAllocator>(8);
@ -89,7 +92,8 @@ void KernelHeap::DumpDebugDataInternal() {
dbgln("");
dbgln("Heap Debug Statistics!");
dbgln("Pages used: {}", (next_addr_ - 0xFFFFFFFF60000000 - 1) / 0x1000 + 1);
dbgln("Pages used: {}",
(next_addr_ - kKernelBuddyHeapStart - 1) / 0x1000 + 1);
// Active Allocs.
dbgln("Active Allocations: {}", alloc_count_);
@ -145,5 +149,13 @@ void* operator new[](uint64_t size) {
return addr;
}
void operator delete(void*, uint64_t size) {}
void operator delete[](void*) {}
void operator delete(void* addr, uint64_t size) {
if (IsSlab(addr)) {
SlabFree(addr);
}
}
void operator delete[](void* addr) {
if (IsSlab(addr)) {
SlabFree(addr);
}
}