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Kernel: Remove the kmalloc_eternal heap :^)
This was a premature optimization from the early days of SerenityOS. The eternal heap was a simple bump pointer allocator over a static byte array. My original idea was to avoid heap fragmentation and improve data locality, but both ideas were rooted in cargo culting, not data. We would reserve 4 MiB at boot and only ended up using ~256 KiB, wasting the rest. This patch replaces all kmalloc_eternal() usage by regular kmalloc().
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46 changed files with 5 additions and 82 deletions
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@ -17,7 +17,6 @@ namespace Kernel {
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class VGACompatibleAdapter : public GenericGraphicsAdapter
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, public PCI::Device {
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AK_MAKE_ETERNAL
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public:
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static NonnullRefPtr<VGACompatibleAdapter> initialize_with_preset_resolution(PCI::DeviceIdentifier const&, PhysicalAddress, size_t framebuffer_width, size_t framebuffer_height, size_t framebuffer_pitch);
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static NonnullRefPtr<VGACompatibleAdapter> initialize(PCI::DeviceIdentifier const&);
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