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

[Guenter Roeck]

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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