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| author | Andreas Kling <kling@serenityos.org> | 2022-08-18 17:36:54 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-08-18 18:52:34 +0200 |
| commit | c14dda14c4faed4fe6468923f066b2979d2c87f9 (patch) | |
| tree | 4cf1b9ab84343a3b8fe2b86ce39f4ad9a7a4246e /Kernel/Memory/MemoryManager.cpp | |
| parent | 75348bdfd32003a8420fd5c727e41f5be9918711 (diff) | |
| download | serenity-c14dda14c4faed4fe6468923f066b2979d2c87f9.zip | |
Kernel: Add a comment about what the MM lock protects
Diffstat (limited to 'Kernel/Memory/MemoryManager.cpp')
| -rw-r--r-- | Kernel/Memory/MemoryManager.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Kernel/Memory/MemoryManager.cpp b/Kernel/Memory/MemoryManager.cpp index 881422cf52..b623c7ee94 100644 --- a/Kernel/Memory/MemoryManager.cpp +++ b/Kernel/Memory/MemoryManager.cpp @@ -58,6 +58,11 @@ ErrorOr<FlatPtr> page_round_up(FlatPtr x) // run. If we do, then Singleton would get re-initialized, causing // the memory manager to be initialized twice! static MemoryManager* s_the; + +// The MM lock protects: +// - all data members of MemoryManager +// - the quickmap mechanism +// - the PTE/PDE mapping mechanism RecursiveSpinlock s_mm_lock { LockRank::MemoryManager }; MemoryManager& MemoryManager::the() |