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fix: use rounded bitmap size in VMM kernel mapping calculation

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karina
2026-05-02 23:17:09 +04:00
parent 5673c44a99
commit 7ff9f4ad4c
1 changed files with 27 additions and 26 deletions
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Kernel/Source/VM/VMM.c
+2 -1
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@@ -155,7 +155,8 @@ void VMMInitialize(VMBootMemoryMap* bootMap, Bootinfo* info) {
} }
OSLog("RAM mapped\n"); OSLog("RAM mapped\n");
Size pmmBitmapSize = (bootMap->totalRAM.size / kVMPageSize) / 8; Size totalPages = bootMap->totalRAM.size / kVMPageSize;
Size pmmBitmapSize = (totalPages + kVMBlocksPerByte - 1) / kVMBlocksPerByte;
Size kernelSize = ((Address)_kernelEnd - (Address)_kernelStart) + pmmBitmapSize; Size kernelSize = ((Address)_kernelEnd - (Address)_kernelStart) + pmmBitmapSize;
kernelSize = (kernelSize + kVMPageSize - 1) & ~(kVMPageSize - 1); kernelSize = (kernelSize + kVMPageSize - 1) & ~(kVMPageSize - 1);