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

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Message-ID: <20230214171256.556defbb@canb.auug.org.au>
Date:   Tue, 14 Feb 2023 17:12:56 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Nathan Lynch <nathanl@...ux.ibm.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        PowerPC <linuxppc-dev@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: qemu boot log difference today

Hi Nathan,

On Mon, 13 Feb 2023 23:19:43 -0600 Nathan Lynch <nathanl@...ux.ibm.com> wrote:
>
> Stephen Rothwell <sfr@...b.auug.org.au> 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

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