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Kernel: Remove old SlabAllocator :^)

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This is no longer useful since kmalloc() does automatic slab allocation
without any of the limitations of the old SlabAllocator. :^)
This commit is contained in:
Andreas Kling 2021-12-26 18:50:03 +01:00
parent 66d35f2936
commit 3399b6c57f
9 changed files with 0 additions and 245 deletions
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6
Kernel/Arch/x86/common/Interrupts.cpp
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@ -368,8 +368,6 @@ void page_fault_handler(TrapFrame* trap)
constexpr FlatPtr free_scrub_pattern = explode_byte(FREE_SCRUB_BYTE);
constexpr FlatPtr kmalloc_scrub_pattern = explode_byte(KMALLOC_SCRUB_BYTE);
constexpr FlatPtr kfree_scrub_pattern = explode_byte(KFREE_SCRUB_BYTE);
constexpr FlatPtr slab_alloc_scrub_pattern = explode_byte(SLAB_ALLOC_SCRUB_BYTE);
constexpr FlatPtr slab_dealloc_scrub_pattern = explode_byte(SLAB_DEALLOC_SCRUB_BYTE);
if ((fault_address & 0xffff0000) == (malloc_scrub_pattern & 0xffff0000)) {
dbgln("Note: Address {} looks like it may be uninitialized malloc() memory", VirtualAddress(fault_address));
} else if ((fault_address & 0xffff0000) == (free_scrub_pattern & 0xffff0000)) {
@ -378,10 +376,6 @@ void page_fault_handler(TrapFrame* trap)
dbgln("Note: Address {} looks like it may be uninitialized kmalloc() memory", VirtualAddress(fault_address));
} else if ((fault_address & 0xffff0000) == (kfree_scrub_pattern & 0xffff0000)) {
dbgln("Note: Address {} looks like it may be recently kfree()'d memory", VirtualAddress(fault_address));
} else if ((fault_address & 0xffff0000) == (slab_alloc_scrub_pattern & 0xffff0000)) {
dbgln("Note: Address {} looks like it may be uninitialized slab_alloc() memory", VirtualAddress(fault_address));
} else if ((fault_address & 0xffff0000) == (slab_dealloc_scrub_pattern & 0xffff0000)) {
dbgln("Note: Address {} looks like it may be recently slab_dealloc()'d memory", VirtualAddress(fault_address));
} else if (fault_address < 4096) {
dbgln("Note: Address {} looks like a possible nullptr dereference", VirtualAddress(fault_address));
} else if constexpr (SANITIZE_PTRS) {