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Kernel: Use RefPtr instead of LockRefPtr for PhysicalPage

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I believe this to be safe, as the main thing that LockRefPtr provides
over RefPtr is safe copying from a shared LockRefPtr instance. I've
inspected the uses of RefPtr<PhysicalPage> and it seems they're all
guarded by external locking. Some of it is less obvious, but this is
an area where we're making continuous headway.
This commit is contained in:
Andreas Kling
2022-08-24 15:56:26 +02:00
parent 5a804b9a1d
commit 2c72d495a3
33 changed files with 141 additions and 138 deletions
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4
Kernel/Memory/SharedInodeVMObject.cpp
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@@ -29,12 +29,12 @@ ErrorOr<NonnullLockRefPtr<VMObject>> SharedInodeVMObject::try_clone()
return adopt_nonnull_lock_ref_or_enomem<VMObject>(new (nothrow) SharedInodeVMObject(*this, move(new_physical_pages), move(dirty_pages)));
}
SharedInodeVMObject::SharedInodeVMObject(Inode& inode, FixedArray<LockRefPtr<PhysicalPage>>&& new_physical_pages, Bitmap dirty_pages)
SharedInodeVMObject::SharedInodeVMObject(Inode& inode, FixedArray<RefPtr<PhysicalPage>>&& new_physical_pages, Bitmap dirty_pages)
: InodeVMObject(inode, move(new_physical_pages), move(dirty_pages))
{
}
SharedInodeVMObject::SharedInodeVMObject(SharedInodeVMObject const& other, FixedArray<LockRefPtr<PhysicalPage>>&& new_physical_pages, Bitmap dirty_pages)
SharedInodeVMObject::SharedInodeVMObject(SharedInodeVMObject const& other, FixedArray<RefPtr<PhysicalPage>>&& new_physical_pages, Bitmap dirty_pages)
: InodeVMObject(other, move(new_physical_pages), move(dirty_pages))
{
}