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Kernel: Remove allocate_region() functions that don't take a Range

Let's force callers to provide a VM range when allocating a region.
This makes ENOMEM error handling more visible and removes implicit
VM allocation which felt a bit magical.
This commit is contained in:
Andreas Kling 2021-01-26 14:13:57 +01:00
parent d697d33fa6
commit 1e25d2b734
5 changed files with 41 additions and 25 deletions

View file

@ -437,8 +437,6 @@ public:
return m_euid == 0;
}
KResultOr<Region*> allocate_region_with_vmobject(VirtualAddress, size_t, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, const String& name, int prot, bool shared);
KResultOr<Region*> allocate_region(VirtualAddress, size_t, const String& name, int prot = PROT_READ | PROT_WRITE, AllocationStrategy strategy = AllocationStrategy::Reserve);
KResultOr<Region*> allocate_region_with_vmobject(const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, const String& name, int prot, bool shared);
KResultOr<Region*> allocate_region(const Range&, const String& name, int prot = PROT_READ | PROT_WRITE, AllocationStrategy strategy = AllocationStrategy::Reserve);
bool deallocate_region(Region& region);