公开(公告)号：US12253954B1

公开(公告)日：2025-03-18

申请号：US18459047

申请日：2023-08-31

Applicant: MELLANOX TECHNOLOGIES, LTD.

Inventor： Ariel Shahar ,  Shay Ben-Haim ,  Eyal Davidovitz ,  Oz Woller

IPC: G06F12/10 ,  G06F12/0882 ,  G06F12/1009

Abstract: In one embodiment, a processing device includes a memory to store a plurality of memory pages having corresponding physical memory addresses in the memory, store an active multilevel page table (MPT) mapping virtual to physical memory addresses for corresponding allocated memory pages stored in the memory, and store a floating MPT at least partially mapping virtual to physical memory addresses for corresponding spare memory pages stored in the memory, the floating and active MPT using a common mapping scheme, and a processor to receive a request to add a virtual to physical address mapping for more memory pages of the plurality of memory pages to the active MPT, and in response to receiving the request, adjoin at least part of the floating MPT to the active MPT so that the active MPT provides the virtual to physical address mapping for at least some memory pages of the spare memory pages.

公开(公告)号：US20250077440A1

公开(公告)日：2025-03-06

申请号：US18459047

申请日：2023-08-31

Applicant: MELLANOX TECHNOLOGIES, LTD.

Inventor： Ariel Shahar ,  Shay Ben-Haim ,  Eyal Davidovitz ,  Oz Woller

IPC: G06F12/1009 ,  G06F12/0882

Abstract: In one embodiment, a processing device includes a memory to store a plurality of memory pages having corresponding physical memory addresses in the memory, store an active multilevel page table (MPT) mapping virtual to physical memory addresses for corresponding allocated memory pages stored in the memory, and store a floating MPT at least partially mapping virtual to physical memory addresses for corresponding spare memory pages stored in the memory, the floating and active MPT using a common mapping scheme, and a processor to receive a request to add a virtual to physical address mapping for more memory pages of the plurality of memory pages to the active MPT, and in response to receiving the request, adjoin at least part of the floating MPT to the active MPT so that the active MPT provides the virtual to physical address mapping for at least some memory pages of the spare memory pages.