Address conversion method, device, device and computer-readable storage medium
An address translation and computer technology, applied in the computer field, can solve the problem of low memory address translation efficiency, and achieve the effect of improving the memory address translation efficiency and simplifying the memory access process.
Active Publication Date: 2021-08-31
LOONGSON TECH CORP
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[0005] Embodiments of the present invention provide an address translation method, device, device, and computer-readable storage medium to solve the problem of low memory address translation efficiency of the current virtual machine
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[0060] In order to make the objects, technical solutions, and advantages of the present invention more clearly, the technical solutions in the embodiments of the present invention will be described in contemplation in the embodiments of the present invention, and will be described, and the embodiments described herein will be described. It is a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art will belong to the scope of the present invention without all other embodiments obtained without creative labor.
[0061] With respect to the multi-level page table management prior art embodiment, the address conversion method according to an embodiment of the present invention by providing a large page address translation table in place of the multi-level page table, it is possible to realize a memory access, a simplified memory access process, thereby improve the conversion ef...
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Embodiments of the present invention provide an address translation method, device, device, and computer-readable storage medium. The method includes: obtaining a virtual memory address to be processed; according to the virtual memory address, searching whether there is an address translation table corresponding to The huge page starting address corresponding to the virtual memory address, wherein the huge page address translation table includes each huge page starting address corresponding to a different virtual memory address; if there is a corresponding to the virtual memory address The starting address of the huge page, according to the virtual memory address, determine the physical memory address corresponding to the virtual memory address in the huge page corresponding to the starting address of the huge page. In the embodiment of the present invention, by setting a large page address translation table instead of a multi-level page table, one-level memory access can be realized, the process of memory access can be simplified, and the memory address translation efficiency of the virtual machine can be improved.
Description
Technical field [0001] Embodiments of the present invention relates to computer technologies, and in particular, to a method for address conversion, apparatus, device, and computer-readable storage medium. Background technique [0002] Currently linux operating system commonly used to manage memory paging mechanism, such as x86 processor architecture in a page size is 4KB, which is called a common page, the multi-level page table management. But if the physical memory is large, very large page table entry, will make TLB (Translation Lookaside Buffer, convert to detect buffer) access to too much pressure, affect memory access performance. [0003] In the prior art, and ordinary pages large page (huge page) two types of memory pages, as appropriate for the x86 architecture processors, large page size is 2MB. Attribute tag in the third stage multi-level page table page added to the memory, according to the attribute of each mark and a large common page different pages of address tra...
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IPC IPC(8): G06F12/1009
CPCG06F12/1009
Inventor 王俊儒李星高翔
Owner LOONGSON TECH CORP