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| author | Andreas Kling <kling@serenityos.org> | 2020-01-20 13:07:17 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-01-20 13:13:03 +0100 |
| commit | a0b716cfc5786ec646803b689fad6d3703ddb67a (patch) | |
| tree | 848bdf18841a1cfd93c7dd813b882163a4ca2ce9 /Kernel | |
| parent | 4ebff10bde58c6780a8b0b11bbe60d3e2982b675 (diff) | |
| download | serenity-a0b716cfc5786ec646803b689fad6d3703ddb67a.zip | |
Add AnonymousVMObject::create_with_physical_page()
This can be used to create a VMObject for a single PhysicalPage.
Diffstat (limited to 'Kernel')
| -rw-r--r-- | Kernel/VM/AnonymousVMObject.cpp | 7 | ||||
| -rw-r--r-- | Kernel/VM/AnonymousVMObject.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Kernel/VM/AnonymousVMObject.cpp b/Kernel/VM/AnonymousVMObject.cpp index 44ad79cc90..1b1dfe3ed4 100644 --- a/Kernel/VM/AnonymousVMObject.cpp +++ b/Kernel/VM/AnonymousVMObject.cpp @@ -37,6 +37,13 @@ NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_for_physical_range(Ph return adopt(*new AnonymousVMObject(paddr, size)); } +NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_with_physical_page(PhysicalPage& page) +{ + auto vmobject = create_with_size(PAGE_SIZE); + vmobject->m_physical_pages[0] = page; + return vmobject; +} + AnonymousVMObject::AnonymousVMObject(size_t size) : VMObject(size) { diff --git a/Kernel/VM/AnonymousVMObject.h b/Kernel/VM/AnonymousVMObject.h index 4f74b6be17..5af312f4de 100644 --- a/Kernel/VM/AnonymousVMObject.h +++ b/Kernel/VM/AnonymousVMObject.h @@ -35,6 +35,7 @@ public: static NonnullRefPtr<AnonymousVMObject> create_with_size(size_t); static NonnullRefPtr<AnonymousVMObject> create_for_physical_range(PhysicalAddress, size_t); + static NonnullRefPtr<AnonymousVMObject> create_with_physical_page(PhysicalPage&); virtual NonnullRefPtr<VMObject> clone() override; protected: |