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From: Nathan Lynch <nathanl@linux.ibm.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>,
	PowerPC <linuxppc-dev@lists.ozlabs.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: qemu boot log difference today
Date: Mon, 13 Feb 2023 23:19:43 -0600	[thread overview]
Message-ID: <878rh0aknk.fsf@linux.ibm.com> (raw)
In-Reply-To: <20230214143150.7c7fdd05@canb.auug.org.au>

Stephen Rothwell <sfr@canb.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

  reply	other threads:[~2023-02-14  5:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-14  3:31 linux-next: qemu boot log difference today Stephen Rothwell
2023-02-14  3:31 ` Stephen Rothwell
2023-02-14  5:19 ` Nathan Lynch [this message]
2023-02-14  6:12   ` Stephen Rothwell
2023-02-14  6:12     ` Stephen Rothwell

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