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Kernel: Rename Range => VirtualRange

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...and also RangeAllocator => VirtualRangeAllocator.

This clarifies that the ranges we're dealing with are *virtual* memory
ranges and not anything else.
This commit is contained in:
Andreas Kling 2021-08-06 13:54:48 +02:00
parent 93d98d4976
commit cd5faf4e42
39 changed files with 207 additions and 207 deletions
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14
Kernel/Syscalls/mmap.cpp
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@ -199,7 +199,7 @@ KResultOr<FlatPtr> Process::sys$mmap(Userspace<const Syscall::SC_mmap_params*> u
return EINVAL;
Memory::Region* region = nullptr;
Optional<Memory::Range> range;
Optional<Memory::VirtualRange> range;
if (map_randomized) {
range = space().page_directory().range_allocator().allocate_randomized(Memory::page_round_up(size), alignment);
@ -272,7 +272,7 @@ KResultOr<FlatPtr> Process::sys$mmap(Userspace<const Syscall::SC_mmap_params*> u
return region->vaddr().get();
}
static KResultOr<Memory::Range> expand_range_to_page_boundaries(FlatPtr address, size_t size)
static KResultOr<Memory::VirtualRange> expand_range_to_page_boundaries(FlatPtr address, size_t size)
{
if (Memory::page_round_up_would_wrap(size))
return EINVAL;
@ -286,7 +286,7 @@ static KResultOr<Memory::Range> expand_range_to_page_boundaries(FlatPtr address,
auto base = VirtualAddress { address }.page_base();
auto end = Memory::page_round_up(address + size);
return Memory::Range { base, end - base.get() };
return Memory::VirtualRange { base, end - base.get() };
}
KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int prot)
@ -346,7 +346,7 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
auto region = space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryRange::No);
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
// 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.
@ -409,7 +409,7 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
auto region = space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryRange::No);
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
// This vector is the region(s) adjacent to our range.
// We need to allocate a new region for the range we wanted to change permission bits on.
@ -566,7 +566,7 @@ KResultOr<FlatPtr> Process::sys$mremap(Userspace<const Syscall::SC_mremap_params
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::ShouldDeallocateVirtualMemoryRange::No);
old_region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
space().deallocate_region(*old_region);
auto new_region_or_error = space().allocate_region_with_vmobject(range, new_vmobject.release_nonnull(), old_offset, old_name->view(), old_prot, false);
@ -657,7 +657,7 @@ KResultOr<FlatPtr> Process::sys$msyscall(Userspace<void*> address)
if (!Memory::is_user_address(VirtualAddress { address }))
return EFAULT;
auto* region = space().find_region_containing(Memory::Range { VirtualAddress { address }, 1 });
auto* region = space().find_region_containing(Memory::VirtualRange { VirtualAddress { address }, 1 });
if (!region)
return EINVAL;