From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Maxime Bizon <mbizon@freebox.fr>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Fail to boot 5.15 on mpc8347 with either debug_pagealloc or nobats
Date: Tue, 7 Dec 2021 05:54:40 +0000 [thread overview]
Message-ID: <a4e18c79-fff0-df8b-8d76-c2acf6e741bb@csgroup.eu> (raw)
In-Reply-To: <20211205164217.GA29658@sakura>
Le 05/12/2021 à 17:42, Maxime Bizon a écrit :
>
>
> On Saturday 04 Dec 2021 à 17:42:44 (+0000), Christophe Leroy wrote:
>
> Also when mem=2G, I have physical memory mapped twice:
>
> CONFIG_PAGE_OFFSET=0x80000000
> CONFIG_LOWMEM_SIZE=0x60000000
>
> 0: 0x80000000-0x8fffffff 0x00000000 256M Kernel rw m
> 1: 0x90000000-0x9fffffff 0x10000000 256M Kernel rw m
> 2: 0xa0000000-0xafffffff 0x20000000 256M Kernel rw m
> 3: 0xb0000000-0xbfffffff 0x30000000 256M Kernel rw m
> 4: 0xc0000000-0xcfffffff 0x40000000 256M Kernel rw m
> 5: 0xd0000000-0xdfffffff 0x50000000 256M Kernel rw m
> 6: 0xf0000000-0xf7ffffff 0x50000000 128M Kernel rw m
>
> BAT5 comes from __mmu_mapin_ram(), BAT6 from kasan init
>
> Is BAT5 needed here ?
Did you check with my latest patch (v2) ?
It should now allocate a block outside lowmem, most likely 0x78000000.
Christophe
next prev parent reply other threads:[~2021-12-07 5:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <f23763d551e65d4a225ba13c7898f83853c2aeaf.camel@freebox.fr>
2021-12-03 12:49 ` Fail to boot 5.15 on mpc8347 with either debug_pagealloc or nobats Christophe Leroy
2021-12-03 18:43 ` Maxime Bizon
2021-12-04 10:01 ` Christophe Leroy
2021-12-04 14:10 ` Maxime Bizon
2021-12-04 17:42 ` Christophe Leroy
2021-12-05 16:42 ` Maxime Bizon
2021-12-05 18:11 ` Christophe Leroy
2021-12-05 21:44 ` Maxime Bizon
2021-12-06 7:03 ` Christophe Leroy
2021-12-06 8:47 ` Maxime Bizon
2021-12-06 9:07 ` Christophe Leroy
2021-12-06 10:32 ` Maxime Bizon
2021-12-06 14:22 ` Christophe Leroy
2021-12-06 15:48 ` Maxime Bizon
2021-12-07 5:50 ` Christophe Leroy
2021-12-07 6:11 ` Christophe Leroy
2021-12-12 11:21 ` Maxime Bizon
2021-12-07 5:54 ` Christophe Leroy [this message]
2021-12-07 9:04 ` Maxime Bizon
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