Re: [PATCH 2/4] mm: split up mm_struct to separate header file

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On 01/28/2015 04:30 PM, Kirill A. Shutemov wrote:
On Wed, Jan 28, 2015 at 03:17:42PM +0200, Kirill A. Shutemov wrote:
We want to use __PAGETABLE_PMD_FOLDED in mm_struct to drop nr_pmds if
pmd is folded. __PAGETABLE_PMD_FOLDED is defined in <asm/pgtable.h>, but
<asm/pgtable.h> itself wants <linux/mm_types.h> for struct page
definition.

This patch move mm_struct definition into separate header file in order
to fix circular header dependencies.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Guenter, below is update for the patch. It doesn't fix all the issues, but
you should see an improvement. I'll continue with this tomorrow.

Yes, this is much better than before.

Build results:
	total: 134 pass: 122 fail: 12
Failed builds:
	arm:imx_v6_v7_defconfig
	arm:s3c6400_defconfig
	cris:artpec_3_defconfig
	cris:etraxfs_defconfig
	hexagon:defconfig
	m68k:m5475evb_defconfig
	mips:allmodconfig
	s390:defconfig
	sparc64:defconfig
	sparc64:allmodconfig
	unicore32:defconfig
	xtensa:allmodconfig
Qemu tests:
	total: 30 pass: 28 fail: 2
Failed tests:
	sparc64:sparc_smp_defconfig
	sparc64:sparc_nosmp_defconfig

Some of the problems are inherited from mmotm.
Here are the mmotm build results (v3.19-rc6-462-g995c249):
	total: 134 pass: 128 fail: 6
Failed builds:
	arm:imx_v6_v7_defconfig
	arm:s3c6400_defconfig
	mips:allmodconfig
	sparc64:allmodconfig
	unicore32:defconfig
	xtensa:allmodconfig
Qemu tests:
	total: 30 pass: 30 fail: 0

With this, we can conclude that your patch series still has problems
(at least) with cris, hexagon, m68k, s390, sparc, and unicore32.

Guenter

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