RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 11:08:11 +00:00
Code Issues Activity Actions

Kernel: Convert klog() => dmesgln() in kmalloc

Browse source
This commit is contained in:
Andreas Kling 2021-03-09 20:26:32 +01:00
parent 10f10abaa3
commit cb4fcaa4b5
1 changed files with 10 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Kernel/Heap/kmalloc.cpp
View file

@ -68,7 +68,7 @@ struct KmallocGlobalHeap {
bool add_memory(size_t allocation_request)
{
if (!MemoryManager::is_initialized()) {
klog() << "kmalloc(): Cannot expand heap before MM is initialized!";
dmesgln("kmalloc: Cannot expand heap before MM is initialized!");
return false;
}
VERIFY(!m_adding);
@ -82,13 +82,13 @@ struct KmallocGlobalHeap {
// Be careful to not log too much here. We don't want to trigger
// any further calls to kmalloc(). We're already out of memory
// and don't have any backup memory, either!
klog() << "kmalloc(): Cannot expand heap: no backup memory";
dmesgln("kmalloc: Cannot expand heap: no backup memory");
return false;
}
// At this point we should have at least enough memory from the
// backup region to be able to log properly
klog() << "kmalloc(): Adding memory to heap at " << region->vaddr() << ", bytes: " << region->size();
dmesgln("kmalloc: Adding memory to heap at {}, bytes: {}", region->vaddr(), region->size());
auto& subheap = m_global_heap.m_heap.add_subheap(region->vaddr().as_ptr(), region->size());
m_global_heap.m_subheap_memory.append(region.release_nonnull());
@ -115,12 +115,12 @@ struct KmallocGlobalHeap {
memory_size += 1 * MiB;
region = MM.allocate_kernel_region(memory_size, "kmalloc subheap", Region::Access::Read | Region::Access::Write, AllocationStrategy::AllocateNow);
if (region) {
klog() << "kmalloc(): Adding even more memory to heap at " << region->vaddr() << ", bytes: " << region->size();
dbgln("kmalloc: Adding even more memory to heap at {}, bytes: {}", region->vaddr(), region->size());
m_global_heap.m_heap.add_subheap(region->vaddr().as_ptr(), region->size());
m_global_heap.m_subheap_memory.append(region.release_nonnull());
} else {
klog() << "kmalloc(): Could not expand heap to satisfy allocation of " << allocation_request << " bytes";
dbgln("kmalloc: Could not expand heap to satisfy allocation of {} bytes", allocation_request);
return false;
}
}
@ -135,10 +135,10 @@ struct KmallocGlobalHeap {
if (m_global_heap.m_subheap_memory[i].vaddr().as_ptr() == memory) {
auto region = m_global_heap.m_subheap_memory.take(i);
if (!m_global_heap.m_backup_memory) {
klog() << "kmalloc(): Using removed memory as backup: " << region->vaddr() << ", bytes: " << region->size();
dmesgln("kmalloc: Using removed memory as backup: {}, bytes: {}", region->vaddr(), region->size());
m_global_heap.m_backup_memory = move(region);
} else {
klog() << "kmalloc(): Queue removing memory from heap at " << region->vaddr() << ", bytes: " << region->size();
dmesgln("kmalloc: Queue removing memory from heap at {}, bytes: {}", region->vaddr(), region->size());
Processor::deferred_call_queue([this, region = move(region)]() mutable {
// We need to defer freeing the region to prevent a potential
// deadlock since we are still holding the kmalloc lock
@ -148,10 +148,10 @@ struct KmallocGlobalHeap {
// new backup.
ScopedSpinLock lock(s_lock);
if (!m_global_heap.m_backup_memory) {
klog() << "kmalloc(): Queued memory region at " << region->vaddr() << ", bytes: " << region->size() << " will be used as new backup";
dmesgln("kmalloc: Queued memory region at {}, bytes: {} will be used as new backup", region->vaddr(), region->size());
m_global_heap.m_backup_memory = move(region);
} else {
klog() << "kmalloc(): Queued memory region at " << region->vaddr() << ", bytes: " << region->size() << " will be freed now";
dmesgln("kmalloc: Queued memory region at {}, bytes: {} will be freed now", region->vaddr(), region->size());
}
});
}
@ -159,7 +159,7 @@ struct KmallocGlobalHeap {
}
}
klog() << "kmalloc(): Cannot remove memory from heap: " << VirtualAddress(memory);
dmesgln("kmalloc: Cannot remove memory from heap: {}", VirtualAddress(memory));
return false;
}
};