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Kernel: Skip unnecessary TLB flush when growing kmalloc heap

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When adding entirely new page table mappings, we don't need to flush
the TLB since they were not present before.
This commit is contained in:
Andreas Kling 2022-01-12 21:50:16 +01:00
commit cfc9ce66d9
Notes: sideshowbarker 2024-07-17 21:00:15 +09:00
1 changed files with 0 additions and 2 deletions
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2
Kernel/Heap/kmalloc.cpp
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@ -267,8 +267,6 @@ struct KmallocGlobalData {
pte->set_present(true);
}
MM.flush_tlb(&MM.kernel_page_directory(), new_subheap_base, new_subheap_size / PAGE_SIZE);
add_subheap(new_subheap_base.as_ptr(), new_subheap_size);
return true;
}