From: Frank Rowand <frank_rowand@mvista.com>
To: David Blythe <blythe@routefree.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: MMU_init buglet in 2.4.0-mvista_010216
Date: Sat, 10 Mar 2001 21:46:46 -0800 [thread overview]
Message-ID: <3AAB1146.C39B35A1@mvista.com> (raw)
In-Reply-To: 3AAB06CC.F5E5A5BA@routefree.com
David Blythe wrote:
>
> memory sizes > 16M but not a multiple of 16M not quite right. for the
> 24M config i was playing with it manifests itself as a tlb miss/kernel
> stack overflow.
>
> patch attached.
> david
>
> ------------------------------------------------------------------------------------------------------------------------------------
> Index: arch/ppc/mm/init.c
> ===================================================================
> diff -u -r1.1.1.4 init.c
> --- arch/ppc/mm/init.c 2001/02/21 00:52:57 1.1.1.4
> +++ arch/ppc/mm/init.c 2001/03/11 04:52:27
> @@ -1015,7 +1015,7 @@
> /* ----- pin 4MB chunks of memory ----- */
>
> if (size_pinned < size_DRAM) {
> - pinned_tlbs = ((size_DRAM - size_pinned) / SIZE_4MB);
> + pinned_tlbs += ((size_DRAM - size_pinned) / SIZE_4MB);
>
> if (pinned_tlbs > PPC4xx_MAX_PINNED_TLB) {
> printk(KERN_ERR "MMU_init(): memory configuration requires %d tlb entries.\n",
Thank you David, I merged your fix.
-Frank
--
Frank Rowand <frank_rowand@mvista.com>
MontaVista Software, Inc
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-03-11 5:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-11 5:02 MMU_init buglet in 2.4.0-mvista_010216 David Blythe
2001-03-11 5:46 ` Frank Rowand [this message]
2001-03-11 16:27 ` Dan Malek
2001-03-12 19:36 ` Frank Rowand
2001-03-11 22:03 ` Grant Erickson
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