fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2026-01-04 15:45:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Make SharedInodeVMObject allocation OOM-safe

Browse Source
This commit is contained in:
Andreas Kling
2021-07-11 17:52:07 +02:00
parent 59049ae4b7
commit af8c74a328
4 changed files with 17 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Kernel/VM/SharedInodeVMObject.cpp
View File

@@ -9,12 +9,14 @@
namespace Kernel {
NonnullRefPtr<SharedInodeVMObject> SharedInodeVMObject::create_with_inode(Inode& inode)
RefPtr<SharedInodeVMObject> SharedInodeVMObject::try_create_with_inode(Inode& inode)
{
size_t size = inode.size();
if (auto shared_vmobject = inode.shared_vmobject())
return shared_vmobject.release_nonnull();
auto vmobject = adopt_ref(*new SharedInodeVMObject(inode, size));
auto vmobject = adopt_ref_if_nonnull(new (nothrow) SharedInodeVMObject(inode, size));
if (!vmobject)
return nullptr;
vmobject->inode().set_shared_vmobject(*vmobject);
return vmobject;
}