On Wed, Sep 01, 2021 at 04:55:01AM +0000, Al Viro wrote: > On Wed, Sep 01, 2021 at 11:07:41AM +0800, Shijie Huang wrote: > > Hi Everyone, > > > > In the NUMA, we only have one page cache for each file. For the > > program/shared libraries, the > > > > remote-access delays longer then the local-access. > > > > So, is it possible to implement the per-node page cache for > > programs/libraries? > > What do you mean, per-node page cache? Multiple pages for the same > area of file? That'd be bloody awful on coherency... Yes. per-NUMA-node page cache. We can limit the files to program/(shared libraries) which are read-only mostly, and do not need coherency. Thanks Huang Shijie
