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Kernel: Store AddressSpace memory regions in an IntrusiveRedBlackTree

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This means we never need to allocate when inserting/removing regions
from the address space.
This commit is contained in:
Andreas Kling 2022-04-02 01:28:01 +02:00
parent 7381474835
commit 2617adac52
Notes: sideshowbarker 2024-07-17 14:32:02 +09:00
7 changed files with 99 additions and 81 deletions
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40
Kernel/ProcessSpecificExposed.cpp
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@ -234,31 +234,31 @@ ErrorOr<void> Process::procfs_get_virtual_memory_stats(KBufferBuilder& builder)
{
SpinlockLocker lock(address_space().get_lock());
for (auto const& region : address_space().regions()) {
if (!region->is_user() && !Process::current().is_superuser())
if (!region.is_user() && !Process::current().is_superuser())
continue;
auto region_object = TRY(array.add_object());
TRY(region_object.add("readable", region->is_readable()));
TRY(region_object.add("writable", region->is_writable()));
TRY(region_object.add("executable", region->is_executable()));
TRY(region_object.add("stack", region->is_stack()));
TRY(region_object.add("shared", region->is_shared()));
TRY(region_object.add("syscall", region->is_syscall_region()));
TRY(region_object.add("purgeable", region->vmobject().is_anonymous()));
if (region->vmobject().is_anonymous()) {
TRY(region_object.add("volatile", static_cast<Memory::AnonymousVMObject const&>(region->vmobject()).is_volatile()));
TRY(region_object.add("readable", region.is_readable()));
TRY(region_object.add("writable", region.is_writable()));
TRY(region_object.add("executable", region.is_executable()));
TRY(region_object.add("stack", region.is_stack()));
TRY(region_object.add("shared", region.is_shared()));
TRY(region_object.add("syscall", region.is_syscall_region()));
TRY(region_object.add("purgeable", region.vmobject().is_anonymous()));
if (region.vmobject().is_anonymous()) {
TRY(region_object.add("volatile", static_cast<Memory::AnonymousVMObject const&>(region.vmobject()).is_volatile()));
}
TRY(region_object.add("cacheable", region->is_cacheable()));
TRY(region_object.add("address", region->vaddr().get()));
TRY(region_object.add("size", region->size()));
TRY(region_object.add("amount_resident", region->amount_resident()));
TRY(region_object.add("amount_dirty", region->amount_dirty()));
TRY(region_object.add("cow_pages", region->cow_pages()));
TRY(region_object.add("name", region->name()));
TRY(region_object.add("vmobject", region->vmobject().class_name()));
TRY(region_object.add("cacheable", region.is_cacheable()));
TRY(region_object.add("address", region.vaddr().get()));
TRY(region_object.add("size", region.size()));
TRY(region_object.add("amount_resident", region.amount_resident()));
TRY(region_object.add("amount_dirty", region.amount_dirty()));
TRY(region_object.add("cow_pages", region.cow_pages()));
TRY(region_object.add("name", region.name()));
TRY(region_object.add("vmobject", region.vmobject().class_name()));
StringBuilder pagemap_builder;
for (size_t i = 0; i < region->page_count(); ++i) {
auto const* page = region->physical_page(i);
for (size_t i = 0; i < region.page_count(); ++i) {
auto const* page = region.physical_page(i);
if (!page)
pagemap_builder.append('N');
else if (page->is_shared_zero_page() || page->is_lazy_committed_page())