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Kernel: Make Region creation API OOM safe

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- Make Region::create_kernel_only OOM safe.

- Make Region::create_user_accessible mostly OOM safe, there are still
  some tendrils to untangle before it and be completely fixed.
This commit is contained in:
Brian Gianforcaro 2021-05-28 05:07:33 -07:00 • committed by Andreas Kling
parent ab63449ab7
commit 9b1ff3d3ac
2 changed files with 7 additions and 6 deletions
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2
Kernel/VM/Region.h
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@ -51,7 +51,7 @@ public:
};
static NonnullOwnPtr<Region> create_user_accessible(Process*, const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, OwnPtr<KString> name, Region::Access access, Cacheable, bool shared);
static NonnullOwnPtr<Region> create_kernel_only(const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, OwnPtr<KString> name, Region::Access access, Cacheable = Cacheable::Yes);
static OwnPtr<Region> create_kernel_only(const Range&, NonnullRefPtr<VMObject>, size_t offset_in_vmobject, OwnPtr<KString> name, Region::Access access, Cacheable = Cacheable::Yes);
~Region();