Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Remove VirtualRanges created in kmalloc memory

Browse Source 
These were only used as stacks of kernel threads, but they can just
as well be allocated as full pages from Heap
This commit is contained in:
Bananymous
2024-02-25 21:56:37 +02:00
parent 09c24088a2
commit 6d59a2b45d
3 changed files with 18 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
kernel/include/kernel/Memory/VirtualRange.h
View File

@@ -18,8 +18,6 @@ namespace Kernel
static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_to_vaddr(PageTable&, vaddr_t, size_t, PageTable::flags_t flags, bool preallocate_pages);
// Create virtual range to virtual address range
static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_to_vaddr_range(PageTable&, vaddr_t vaddr_start, vaddr_t vaddr_end, size_t, PageTable::flags_t flags, bool preallocate_pages);
// Create virtual range in kernel memory with kmalloc
static BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> create_kmalloc(size_t);
~VirtualRange();
BAN::ErrorOr<BAN::UniqPtr<VirtualRange>> clone(PageTable&);
@@ -35,14 +33,13 @@ namespace Kernel
void copy_from(size_t offset, const uint8_t* buffer, size_t bytes);
private:
VirtualRange(PageTable&, bool preallocated, bool kmalloc);
VirtualRange(PageTable&, bool preallocated);
void set_zero();
private:
PageTable& m_page_table;
const bool m_preallocated;
const bool m_kmalloc;
vaddr_t m_vaddr { 0 };
size_t m_size { 0 };
PageTable::flags_t m_flags { 0 };