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Kernel: Hacky kmalloc quick fix 

Remove GeneralAllocator from kmalloc as it is not CriticalScope safe.
This requires increasing kmalloc memory.
This commit is contained in:
Bananymous 2023-09-25 13:13:57 +03:00
parent 8b2bb95b81
commit 18d582c6ce
1 changed files with 1 additions and 26 deletions
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27
kernel/kernel/Memory/kmalloc.cpp
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@ -12,9 +12,7 @@ extern uint8_t g_kernel_end[];
static constexpr size_t s_kmalloc_min_align = alignof(max_align_t); static constexpr size_t s_kmalloc_min_align = alignof(max_align_t);
static uint8_t s_kmalloc_storage[2 * MB]; static uint8_t s_kmalloc_storage[20 * MB];
static BAN::UniqPtr<Kernel::GeneralAllocator> s_general_allocator;
struct kmalloc_node struct kmalloc_node
{ {
@ -303,19 +301,6 @@ void* kmalloc(size_t size, size_t align, bool force_indentity_map)
Kernel::CriticalScope critical; Kernel::CriticalScope critical;
// FIXME: this is a hack to make more dynamic kmalloc memory
if (size > PAGE_SIZE && !force_indentity_map)
{
using namespace Kernel;
if (!s_general_allocator)
s_general_allocator = MUST(GeneralAllocator::create(PageTable::kernel(), (vaddr_t)g_kernel_end));
auto vaddr = s_general_allocator->allocate(size);
if (vaddr)
return (void*)vaddr;
}
if (size == 0 || size >= info.size) if (size == 0 || size >= info.size)
goto no_memory; goto no_memory;
@ -350,9 +335,6 @@ void kfree(void* address)
Kernel::CriticalScope critical; Kernel::CriticalScope critical;
if (s_general_allocator && s_general_allocator->deallocate((Kernel::vaddr_t)address))
return;
if (s_kmalloc_fixed_info.base <= address_uint && address_uint < s_kmalloc_fixed_info.end) if (s_kmalloc_fixed_info.base <= address_uint && address_uint < s_kmalloc_fixed_info.end)
{ {
auto& info = s_kmalloc_fixed_info; auto& info = s_kmalloc_fixed_info;
@ -414,13 +396,6 @@ BAN::Optional<Kernel::paddr_t> kmalloc_paddr_of(Kernel::vaddr_t vaddr)
{ {
using namespace Kernel; using namespace Kernel;
if (s_general_allocator)
{
auto paddr = s_general_allocator->paddr_of(vaddr);
if (paddr.has_value())
return paddr.value();
}
if ((vaddr_t)s_kmalloc_storage <= vaddr && vaddr < (vaddr_t)s_kmalloc_storage + sizeof(s_kmalloc_storage)) if ((vaddr_t)s_kmalloc_storage <= vaddr && vaddr < (vaddr_t)s_kmalloc_storage + sizeof(s_kmalloc_storage))
return V2P(vaddr); return V2P(vaddr);