Subject: Re: linux-next: qemu boot log difference today

From: Stephen Rothwell <[email-masked]>
Date: Tue, 14 Feb 2023 17:12:56 +1100

Hi Nathan,

On Mon, 13 Feb 2023 23:19:43 -0600 Nathan Lynch <[email-masked]> wrote:
>
> Stephen Rothwell <[email-masked]> writes:
> >
> > Today's qemu boot log shows 256k extra in reserved memory:
> >
> > - Memory: 2046080K/2097152K available (14720K kernel code, 2944K rwdata, 18048K rodata, 5184K init, 1431K bss, 51072K reserved, 0K cma-reserved)
> > + Memory: 2045824K/2097152K available (14720K kernel code, 2944K rwdata, 18048K rodata, 5184K init, 1439K bss, 51328K reserved, 0K cma-reserved)
> >
> > I don't know what has caused this.  
> 
> Assuming it's pseries, it's the RTAS work area allocator reserving the
> memory.
> 
> 43033bc62d34 powerpc/pseries: add RTAS work area allocator

Yeah, pseries_le_defconfig.  Thanks, I will stop worrying about it.

-- 
Cheers,
Stephen Rothwell