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Kernel: Remove /proc/PID/vmobjects

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This file was useful for debugging a long time ago, but has bitrotted
at this point. Instead of updating it, let's just remove it since
nothing is using it.
This commit is contained in:
Andreas Kling 2021-01-17 21:16:13 +01:00
parent cfe54f86bd
commit 121594ace2
1 changed files with 0 additions and 36 deletions
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36
Kernel/FileSystem/ProcFS.cpp
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@ -112,7 +112,6 @@ enum ProcFileType {
__FI_PID_Start,
FI_PID_perf_events,
FI_PID_vm,
FI_PID_vmobjects,
FI_PID_stacks, // directory
FI_PID_fds,
FI_PID_unveil,
@ -562,40 +561,6 @@ static bool procfs$net_local(InodeIdentifier, KBufferBuilder& builder)
return true;
}
static bool procfs$pid_vmobjects(InodeIdentifier identifier, KBufferBuilder& builder)
{
auto process = Process::from_pid(to_pid(identifier));
if (!process)
return false;
builder.appendf("BEGIN END SIZE NAME\n");
{
ScopedSpinLock lock(process->get_lock());
for (auto& region : process->regions()) {
builder.appendf("%x -- %x %x %s\n",
region.vaddr().get(),
region.vaddr().offset(region.size() - 1).get(),
region.size(),
region.name().characters());
builder.appendf("VMO: %s @ %x(%u)\n",
region.vmobject().is_anonymous() ? "anonymous" : "file-backed",
&region.vmobject(),
region.vmobject().ref_count());
for (size_t i = 0; i < region.vmobject().page_count(); ++i) {
auto& physical_page = region.vmobject().physical_pages()[i];
bool should_cow = false;
if (i >= region.first_page_index() && i <= region.last_page_index())
should_cow = region.should_cow(i - region.first_page_index());
builder.appendf("P%x%s(%u) ",
physical_page ? physical_page->paddr().get() : 0,
should_cow ? "!" : "",
physical_page ? physical_page->ref_count() : 0);
}
builder.appendf("\n");
}
}
return true;
}
static bool procfs$pid_unveil(InodeIdentifier identifier, KBufferBuilder& builder)
{
auto process = Process::from_pid(to_pid(identifier));
@ -1688,7 +1653,6 @@ ProcFS::ProcFS()
m_entries[FI_Root_net_local] = { "local", FI_Root_net_local, false, procfs$net_local };
m_entries[FI_PID_vm] = { "vm", FI_PID_vm, false, procfs$pid_vm };
m_entries[FI_PID_vmobjects] = { "vmobjects", FI_PID_vmobjects, true, procfs$pid_vmobjects };
m_entries[FI_PID_stacks] = { "stacks", FI_PID_stacks, false };
m_entries[FI_PID_fds] = { "fds", FI_PID_fds, false, procfs$pid_fds };
m_entries[FI_PID_exe] = { "exe", FI_PID_exe, false, procfs$pid_exe };