On 2023-06-08 10:33:26 -0400, Greg Stark wrote: > On Wed, 7 Jun 2023 at 18:09, Andres Freund <and...@anarazel.de> wrote: > > Having the same memory mapping between threads makes allows the > > hardware to share the TLB (on x86 via process context identifiers), which > > isn't realistically possible with different processes. > > As a matter of historical interest Solaris actually did implement this > across different processes. It was called by the somewhat unfortunate > name "Intimate Shared Memory". I don't think Linux ever implemented > anything like it but I'm not sure.
I don't think it shared the TLB - it did share page tables though.
