公开(公告)号：US11494297B2

公开(公告)日：2022-11-08

申请号：US17016366

申请日：2020-09-09

Applicant: VMWARE, INC.

Inventor： Abhay Kumar Jain ,  Richard P. Spillane ,  Wenguang Wang ,  Nitin Rastogi ,  Mounesh Badiger

IPC: G06F12/00 ,  G06F13/00 ,  G06F13/28 ,  G06F12/02 ,  G06F12/0871 ,  G06F12/084 ,  G06F9/50 ,  G06F9/455

Abstract: An example method of memory management in a computing system having a plurality of processors includes: receiving a first memory allocation request at a memory manager from a process executing on a processor of the plurality of processors in the computing system; allocating a local memory pool for the processor from a global memory pool for the plurality of processors in response to the first memory allocation request; and allocating memory from the local memory pool for the processor in response to the first memory allocation request without locking the local memory pool.

公开(公告)号：US20220188267A1

公开(公告)日：2022-06-16

申请号：US17119959

申请日：2020-12-11

Applicant: VMware, Inc.

Inventor： Sriram Patil ,  Abhay Kumar Jain ,  Wenguang Wang ,  Nitin Rastogi ,  Pranay Singh ,  Richard P. Spillane

IPC: G06F16/11 ,  G06F16/174 ,  G06F16/185

Abstract: Techniques for efficiently managing a file clone from a filesystem which supports efficient volume snapshots are provided. In some embodiments, a system may receive an instruction to remove the file clone from the filesystem. The file clone may be a point-in-time copy of metadata of an original file. The system may further—for a file map entry in a filesystem tree associated with the file clone, the file map entry indicating a data block—decrement a reference count in a reference count entry associated with the file map entry. The reference count entry may be stored in the filesystem tree according to a key and the key may comprise an identification of the original file. The system may further reclaim the data block in a storage system when the reference count is zero.