linux-kernel - pxx_page macro patch breaks arm build in 2.6.18-rc4-mm2

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Message-Id: <20060824171730.162c245a.pj@sgi.com>
Date:	Thu, 24 Aug 2006 17:17:30 -0700
From:	Paul Jackson <pj@....com>
To:	Dave McCracken <dmccr@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Diego Calleja <diegocg@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Hugh Dickins <hugh@...itas.com>, Andrew Morton <akpm@...l.org>
Subject: pxx_page macro patch breaks arm build in 2.6.18-rc4-mm2

The defconfig arch=arm build is broken in 2.6.18-rc4-mm2.

The patch "standardize-pxx_page-macros.patch" removed various macros,
including pmd_page_kernel.

It seems to have missed one place, which breaks the defconfig 'arm'
build in 2.6.18-rc4-mm2:


=======================================================
  LD      .tmp_vmlinux1
arch/arm/mm/built-in.o(.text+0x1698): In function `$a':
: undefined reference to `pmd_page_kernel'
make: *** [.tmp_vmlinux1] Error 1
=======================================================


The offending line and a little context, in arch/arm/mm/ioremap.c:


=======================================================
                        * Free the page table, if there was one.
                         */
                        if ((pmd_val(pmd) & PMD_TYPE_MASK) == PMD_TYPE_TABLE)
                                pte_free_kernel(pmd_page_kernel(pmd));
                }

                addr += PGDIR_SIZE;
=======================================================

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.925.600.0401
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