linux-kernel - [mmotm] build failure on x86_64 pci-calgary

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Message-Id: <20080703174027.D6D7.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Thu, 03 Jul 2008 17:46:42 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yhlu.kernel@...il.com>, Ingo Molnar <mingo@...e.hu>
Cc:	kosaki.motohiro@...fujitsu.com, Li Zefan <lizf@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, npiggin@...e.de,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik Van Riel <riel@...hat.com>
Subject: [mmotm] build failure on x86_64 pci-calgary_64.c

> > Seems the problematic patch is :
> > mmap-handle-mlocked-pages-during-map-remap-unmap.patch
> > 
> > I'm using mmotm uploaded yesterday by Andrew, so I guess this bug
> > has not been fixed ?
> > 
> > BUG: sleeping function called from invalid context at include/linux/pagemap.h:290
> > in_atomic():1, irqs_disabled():0
> 
> sorry for that.
> I started investigate this problem.

Hi Andrew,

on ia64, I can't reproduce this problem.
on x86_64, I can't build kernel because following error happned.
           (end_pfn doesn't exist, but used)


-----------------------------------------------------
% LANG=C make -j 20
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/linux/compile.h
  CC      arch/x86/kernel/pci-calgary_64.o
arch/x86/kernel/pci-calgary_64.c: In function 'detect_calgary':
arch/x86/kernel/pci-calgary_64.c:1413: error: 'end_pfn' undeclared (first use in this function)
arch/x86/kernel/pci-calgary_64.c:1413: error: (Each undeclared identifier is reported only once
arch/x86/kernel/pci-calgary_64.c:1413: error: for each function it appears in.)
make[1]: *** [arch/x86/kernel/pci-calgary_64.o] Error 1
make: *** [arch/x86/kernel] Error 2
make: *** Waiting for unfinished jobs....
make: *** wait: No child processes.  Stop.

-----------------------------------------------------


I guess below commit or related commit is doubtfully.

:commit 1b1b18f0bf62ec808784002382f2b5833701afda
:Author: Yinghai Lu <yhlu.kernel@...il.com>
:Date:   Tue Jun 24 22:14:09 2008 -0700
:
:    x86: remove end_pfn in 64bit
:
:    and use max_pfn directly.
:
:    Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
:    Signed-off-by: Ingo Molnar <mingo@...e.hu>




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