Kernel: Implement copy-on-write memory for file backed mmaps

2024-09-11 19:32:42 +03:00
parent 4006a04817
commit c77ad5fb34
15 changed files with 217 additions and 208 deletions
--- a/kernel/include/kernel/Memory/SharedMemoryObject.h
+++ b/kernel/include/kernel/Memory/SharedMemoryObject.h
@@ -59,7 +59,7 @@ namespace Kernel
 		virtual BAN::ErrorOr<void> msync(vaddr_t, size_t, int) override { return {}; }

 	protected:
-		virtual BAN::ErrorOr<bool> allocate_page_containing_impl(vaddr_t vaddr) override;
+		virtual BAN::ErrorOr<bool> allocate_page_containing_impl(vaddr_t vaddr, bool wants_write) override;

 	private:
 		SharedMemoryObject(BAN::RefPtr<SharedMemoryObjectManager::Object> object, PageTable& page_table)