From: Geoff Levand <geoffrey.levand@am.sony.com>
To: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: Re: [patch] powerpc: move PAGE_SIZE outside #ifdef __KERNEL__
Date: Thu, 20 Apr 2006 11:00:27 -0700 [thread overview]
Message-ID: <4447CC3B.7030000@am.sony.com> (raw)
In-Reply-To: <200604201937.10667.arnd.bergmann@de.ibm.com>
Arnd Bergmann wrote:
> On Thursday 20 April 2006 19:24, Geoff Levand wrote:
>> The procps package needs PAGE_SIZE, defined in asm-powerpc/page.h,
>> but it is defined inside "#ifdef __KERNEL__".
>>
>> This moves the PAGE_SIZE definition outside of "#ifdef __KERNEL__".
>>
>> From: Hiroaki Fuse
>> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
>
> Nack.
>
> It's a little harder unfortunately. First of all, the patch moves
> more parts outside of __KERNEL__, like the #include <linux/config.h>,
> which does not get installed into /usr/include/linux/.
>
> More importantly, the page size is no longer constant on powerpc
> across kernel builds. User space relying on a fixed size is broken.
>
> Please look into the sysconf(3) and getpagesize(2) man pages for
> how to do it correctly.
>
> Which version of procps are you referring to anyway? This bug seems
> to have been fixed back in 2001, but maybe it got reintroduced now.
>
Sorry, procps-2.0.14. Seems the latest is at procps-3.2.6. I'll
check it.
-Geoff
next prev parent reply other threads:[~2006-04-20 18:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-20 17:24 [patch] powerpc: move PAGE_SIZE outside #ifdef __KERNEL__ Geoff Levand
2006-04-20 17:31 ` David Howells
2006-04-20 17:37 ` Arnd Bergmann
2006-04-20 18:00 ` Geoff Levand [this message]
2006-04-20 20:59 ` Benjamin Herrenschmidt
2006-04-20 23:07 ` Paul Mackerras
2006-04-21 15:23 ` Geoff Levand
2006-04-21 17:03 ` Christoph Hellwig
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