linux-kernel - Re: [PATCH 0/4] Introduce <linux/mm

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Message-ID: <20150128211647.GB15649@node.dhcp.inet.fi>
Date:	Wed, 28 Jan 2015 23:16:47 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] Introduce <linux/mm_struct.h>

On Wed, Jan 28, 2015 at 10:50:52AM -0800, Guenter Roeck wrote:
> On Wed, Jan 28, 2015 at 03:17:40PM +0200, Kirill A. Shutemov wrote:
> > This patchset moves definition of mm_struct into separate header file.
> > It allows to get rid of nr_pmds if PMD page table level is folded.
> > We cannot do it with current mm_types.h because we need
> > __PAGETABLE_PMD_FOLDED from <asm/pgtable.h> which creates circular
> > dependencies.
> > 
> > I've done few build tests and looks like it works, but I expect breakage
> > on some configuration. Please test.
> > 
> Doesn't look good.
> 
> Build results:
> 	total: 134 pass: 63 fail: 71
> Failed builds:
> 	avr32:defconfig
> 	avr32:merisc_defconfig
> 	avr32:atngw100mkii_evklcd101_defconfig

Fixlet for AVR32:

diff --git a/arch/avr32/include/asm/pgtable.h b/arch/avr32/include/asm/pgtable.h
index 35800664076e..3af39532b25b 100644
--- a/arch/avr32/include/asm/pgtable.h
+++ b/arch/avr32/include/asm/pgtable.h
@@ -10,11 +10,6 @@
 
 #include <asm/addrspace.h>
 
-#ifndef __ASSEMBLY__
-#include <linux/sched.h>
-
-#endif /* !__ASSEMBLY__ */
-
 /*
  * Use two-level page tables just as the i386 (without PAE)
  */
diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c
index 0da23109f817..964130f8f89d 100644
--- a/arch/avr32/mm/tlb.c
+++ b/arch/avr32/mm/tlb.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/mm.h>
+#include <linux/sched.h>
 
 #include <asm/mmu_context.h>
 
-- 
 Kirill A. Shutemov
--
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