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Kernel: Remove unused ShouldDeallocateVirtualRange parameters

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Since there is no separate virtual range allocator anymore, this is
no longer used for anything.
This commit is contained in:
Andreas Kling 2022-04-04 23:36:09 +02:00
parent b36c3a68d8
commit e3e1d79a7d
6 changed files with 21 additions and 38 deletions
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15
Kernel/Syscalls/mmap.cpp
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@ -290,11 +290,9 @@ ErrorOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int p
TRY(validate_inode_mmap_prot(prot, static_cast<Memory::InodeVMObject const&>(old_region->vmobject()).inode(), old_region->is_shared()));
// Remove the old region from our regions tree, since were going to add another region
// with the exact same start address, but do not deallocate it yet
// with the exact same start address.
auto region = address_space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualRange::No);
region->unmap();
// This vector is the region(s) adjacent to our range.
// We need to allocate a new region for the range we wanted to change permission bits on.
@ -346,11 +344,9 @@ ErrorOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int p
continue;
}
// Remove the old region from our regions tree, since were going to add another region
// with the exact same start address, but dont deallocate it yet
// with the exact same start address.
auto region = address_space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualRange::No);
region->unmap();
// This vector is the region(s) adjacent to our range.
// We need to allocate a new region for the range we wanted to change permission bits on.
@ -467,8 +463,7 @@ ErrorOr<FlatPtr> Process::sys$mremap(Userspace<Syscall::SC_mremap_params const*>
auto new_vmobject = TRY(Memory::PrivateInodeVMObject::try_create_with_inode(inode));
auto old_name = old_region->take_name();
// Unmap without deallocating the VM range since we're going to reuse it.
old_region->unmap(Memory::Region::ShouldDeallocateVirtualRange::No);
old_region->unmap();
address_space().deallocate_region(*old_region);
auto* new_region = TRY(address_space().allocate_region_with_vmobject(range, move(new_vmobject), old_offset, old_name->view(), old_prot, false));