RE: [PATCH 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up

From: Luck, Tony
Date: Tue Jun 04 2024 - 12:06:02 EST


> I have been using this on two different test machines, as well as a
> chromebook, and it appears to work on all ofthem. As well as for VMs. I
> plan on adding this to my workstation and server too (they use EFI).

I think that BIOS on Intel servers with ECC memory will stomp on all
memory (to ensure that ECC bits are all set to good values). There
might be a "fast boot" BIOS option to skip this (but using it leaves you
vulnerable after a crash due to ECC fail to hit the same error again).

-Tony