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AK+Kernel: Add AK::AtomicRefCounted and use everywhere in the kernel

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Instead of having two separate implementations of AK::RefCounted, one
for userspace and one for kernelspace, there is now RefCounted and
AtomicRefCounted.
This commit is contained in:
Andreas Kling 2022-08-19 17:26:07 +02:00
parent 4889eb019a
commit e475263113
45 changed files with 81 additions and 94 deletions
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2
Kernel/Memory/AnonymousVMObject.h
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@ -63,7 +63,7 @@ private:
Bitmap m_cow_map;
// AnonymousVMObject shares committed COW pages with cloned children (happens on fork)
class SharedCommittedCowPages : public RefCounted<SharedCommittedCowPages> {
class SharedCommittedCowPages final : public AtomicRefCounted<SharedCommittedCowPages> {
AK_MAKE_NONCOPYABLE(SharedCommittedCowPages);
public:

4
Kernel/Memory/PageDirectory.h
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@ -6,10 +6,10 @@
#pragma once
#include <AK/AtomicRefCounted.h>
#include <AK/Badge.h>
#include <AK/HashMap.h>
#include <AK/IntrusiveRedBlackTree.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <Kernel/Forward.h>
#include <Kernel/Locking/Spinlock.h>
@ -17,7 +17,7 @@
namespace Kernel::Memory {
class PageDirectory : public RefCounted<PageDirectory> {
class PageDirectory final : public AtomicRefCounted<PageDirectory> {
friend class MemoryManager;
public:

3
Kernel/Memory/ScatterGatherList.h
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@ -6,6 +6,7 @@
#pragma once
#include <AK/AtomicRefCounted.h>
#include <AK/Vector.h>
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/Memory/AnonymousVMObject.h>
@ -16,7 +17,7 @@ namespace Kernel::Memory {
// A Scatter-Gather List type that owns its buffers
class ScatterGatherList : public RefCounted<ScatterGatherList> {
class ScatterGatherList final : public AtomicRefCounted<ScatterGatherList> {
public:
static RefPtr<ScatterGatherList> try_create(AsyncBlockDeviceRequest&, Span<NonnullRefPtr<PhysicalPage>> allocated_pages, size_t device_block_size);
VMObject const& vmobject() const { return m_vm_object; }