From: Paul Mackerras <paulus@samba.org>
To: Yuri Tikhonov <yur@emcraft.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] ppc: Add support for bigger page sizes than 4KB on PPC44x
Date: Sat, 17 Mar 2007 09:34:48 +1100 [thread overview]
Message-ID: <17915.7048.393811.714143@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <200703161634.58444.yur@emcraft.com>
Yuri Tikhonov writes:
> The configuration option we had introduced changes the global PPC PAGE_SIZE
> definition indeed. To let changing the PAGE_SIZE from the configuration menu
> for the 44x processors only the following modification of the
> arch/ppc/Kconfig file might make sense:
>
> - int "Page size (12=>4KB; 16=>64KB)"
> + int "Page size (12=>4KB; 16=>64KB)" if 44x
>
> For other than 44x processors the PPC_PAGE_SHIFT value will be unchangeable
> from the configuration menu and set to default value 12 ( PAGE_SIZE = 4 KB).
Your patch would still let users select a page shift of 13 or 15,
which won't work (and can't be made to work).
Paul.
next prev parent reply other threads:[~2007-03-16 22:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 13:34 [PATCH] ppc: Add support for bigger page sizes than 4KB on PPC44x Yuri Tikhonov
2007-03-16 22:34 ` Paul Mackerras [this message]
2007-03-17 11:41 ` Yuri Tikhonov
2007-03-21 10:43 ` Paul Mackerras
2007-03-21 11:23 ` Yuri Tikhonov
2007-04-25 17:37 ` Yuri Tikhonov
-- strict thread matches above, loose matches on Subject: below --
2007-03-16 13:35 Yuri Tikhonov
2007-03-12 21:54 Stefan Roese
2007-03-13 4:56 ` Paul Mackerras
2007-03-13 5:10 ` David Gibson
2007-03-13 7:12 ` Benjamin Herrenschmidt
2007-03-13 7:37 ` Stefan Roese
2007-03-13 9:37 ` Wolfgang Denk
2007-03-13 13:54 ` Benjamin Herrenschmidt
2007-03-13 9:42 ` Christoph Hellwig
2007-03-13 9:54 ` David Gibson
2007-03-13 14:00 ` Grant Likely
2007-03-13 14:09 ` Josh Boyer
2007-03-16 5:14 ` Paul Mackerras
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