git: nvmm - Change max emulated RAM from 128GB to 128TB

Aaron LI aly at crater.dragonflybsd.org
Tue Jul 20 16:30:23 PDT 2021


commit 5d1ebcce7ab757831d293e0e1917097ba7a129a1
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Jun 22 23:35:30 2021 -0700

    nvmm - Change max emulated RAM from 128GB to 128TB
    
    * Increase the max emulated RAM from 128GB to 128TB.  Ok, I'm not
      sure what the actual maximum is, but it sure as heck is more
      than 128GB.
    
    * Successfully booted a 8TB qemu on the threadripper (host ate
      ~275GB to boot it, mostly initializing the vm_page_array[]).
    
      This points to other things we could work on in the kernel
      to reduce memory overhead.  Our really fat struct vm_page's,
      for one.

Summary of changes:
 sys/dev/virtual/nvmm/nvmm_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5d1ebcce7ab757831d293e0e1917097ba7a129a1


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