* [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers
@ 2026-10-24 0:52 Andrew Morton
2026-11-01 7:34 ` Stafford Horne
0 siblings, 1 reply; 4+ messages in thread
From: Andrew Morton @ 2026-10-24 0:52 UTC (permalink / raw)
To: stefan.kristiansson, shorne, lkp, jonas, broonie, akpm, linux-mm,
willy
From: Andrew Morton <akpm@linux-foundation.org>
Subject: openrisc: include asm/page.h before folded pgtable headers
Date: Fri, 23 Oct 2026 17:37:53 -0700
An OpenRISC allmodconfig build fails while compiling the DRM TTM KUnit
helpers:
include/asm-generic/pgtable-nop4d.h:9:18: error:
unknown type name 'pgd_t'
The TTM header cleanup stopped including linux/pagemap.h from ttm_tt.h.
The remaining ttm_caching.h include pulls in linux/pgtable.h, which
reaches OpenRISC's asm/pgtable.h before asm/page.h has supplied the pgd_t
definition.
Include asm/page.h ahead of the generic folded page-table headers. This
restores the missing type definition and allows OpenRISC allmodconfig
builds to get past this failure.
Fixes: 2854902575ac ("drm: Remove pagemap from ttm_tt.h header")
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/202610240135.uFA85jSq-lkp@intel.com
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mark Brown <broonie@kernel.org>
---
arch/openrisc/include/asm/pgtable.h | 1 +
1 file changed, 1 insertion(+)
--- a/arch/openrisc/include/asm/pgtable.h~openrisc-include-asm-page-before-folded-pgtable-headers
+++ a/arch/openrisc/include/asm/pgtable.h
@@ -21,6 +21,7 @@
#ifndef __ASM_OPENRISC_PGTABLE_H
#define __ASM_OPENRISC_PGTABLE_H
+#include <asm/page.h>
#include <asm-generic/pgtable-nopmd.h>
#ifndef __ASSEMBLER__
_
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers
2026-10-24 0:52 [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers Andrew Morton
@ 2026-11-01 7:34 ` Stafford Horne
2026-11-01 12:00 ` Matthew Wilcox
0 siblings, 1 reply; 4+ messages in thread
From: Stafford Horne @ 2026-11-01 7:34 UTC (permalink / raw)
To: Andrew Morton; +Cc: stefan.kristiansson, lkp, jonas, broonie, linux-mm, willy
On Fri, Oct 23, 2026 at 05:52:47PM -0700, Andrew Morton wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
> Subject: openrisc: include asm/page.h before folded pgtable headers
> Date: Fri, 23 Oct 2026 17:37:53 -0700
>
> An OpenRISC allmodconfig build fails while compiling the DRM TTM KUnit
> helpers:
>
> include/asm-generic/pgtable-nop4d.h:9:18: error:
> unknown type name 'pgd_t'
>
> The TTM header cleanup stopped including linux/pagemap.h from ttm_tt.h.
> The remaining ttm_caching.h include pulls in linux/pgtable.h, which
> reaches OpenRISC's asm/pgtable.h before asm/page.h has supplied the pgd_t
> definition.
>
> Include asm/page.h ahead of the generic folded page-table headers. This
> restores the missing type definition and allows OpenRISC allmodconfig
> builds to get past this failure.
Hi Andrew,
Thanks for this I will queue this.
-Stafford
> Fixes: 2854902575ac ("drm: Remove pagemap from ttm_tt.h header")
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/202610240135.uFA85jSq-lkp@intel.com
> Cc: Jonas Bonn <jonas@southpole.se>
> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
> Cc: Stafford Horne <shorne@gmail.com>
> Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
> Cc: Mark Brown <broonie@kernel.org>
> ---
>
> arch/openrisc/include/asm/pgtable.h | 1 +
> 1 file changed, 1 insertion(+)
>
> --- a/arch/openrisc/include/asm/pgtable.h~openrisc-include-asm-page-before-folded-pgtable-headers
> +++ a/arch/openrisc/include/asm/pgtable.h
> @@ -21,6 +21,7 @@
> #ifndef __ASM_OPENRISC_PGTABLE_H
> #define __ASM_OPENRISC_PGTABLE_H
>
> +#include <asm/page.h>
> #include <asm-generic/pgtable-nopmd.h>
>
> #ifndef __ASSEMBLER__
> _
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers
2026-11-01 7:34 ` Stafford Horne
@ 2026-11-01 12:00 ` Matthew Wilcox
2026-11-01 22:38 ` Stafford Horne
0 siblings, 1 reply; 4+ messages in thread
From: Matthew Wilcox @ 2026-11-01 12:00 UTC (permalink / raw)
To: Stafford Horne
Cc: Andrew Morton, stefan.kristiansson, lkp, jonas, broonie, linux-mm
On Sun, Nov 01, 2026 at 07:34:57AM +0000, Stafford Horne wrote:
> On Fri, Oct 23, 2026 at 05:52:47PM -0700, Andrew Morton wrote:
> > From: Andrew Morton <akpm@linux-foundation.org>
> > Subject: openrisc: include asm/page.h before folded pgtable headers
> > Date: Fri, 23 Oct 2026 17:37:53 -0700
> >
> > An OpenRISC allmodconfig build fails while compiling the DRM TTM KUnit
> > helpers:
> >
> > include/asm-generic/pgtable-nop4d.h:9:18: error:
> > unknown type name 'pgd_t'
> >
> > The TTM header cleanup stopped including linux/pagemap.h from ttm_tt.h.
> > The remaining ttm_caching.h include pulls in linux/pgtable.h, which
> > reaches OpenRISC's asm/pgtable.h before asm/page.h has supplied the pgd_t
> > definition.
> >
> > Include asm/page.h ahead of the generic folded page-table headers. This
> > restores the missing type definition and allows OpenRISC allmodconfig
> > builds to get past this failure.
>
> Hi Andrew,
>
> Thanks for this I will queue this.
No, I'll take it.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers
2026-11-01 12:00 ` Matthew Wilcox
@ 2026-11-01 22:38 ` Stafford Horne
0 siblings, 0 replies; 4+ messages in thread
From: Stafford Horne @ 2026-11-01 22:38 UTC (permalink / raw)
To: Matthew Wilcox
Cc: Andrew Morton, stefan.kristiansson, lkp, jonas, broonie, linux-mm
On Sun, Nov 01, 2026 at 12:00:40PM +0000, Matthew Wilcox wrote:
> On Sun, Nov 01, 2026 at 07:34:57AM +0000, Stafford Horne wrote:
> > On Fri, Oct 23, 2026 at 05:52:47PM -0700, Andrew Morton wrote:
> > > From: Andrew Morton <akpm@linux-foundation.org>
> > > Subject: openrisc: include asm/page.h before folded pgtable headers
> > > Date: Fri, 23 Oct 2026 17:37:53 -0700
> > >
> > > An OpenRISC allmodconfig build fails while compiling the DRM TTM KUnit
> > > helpers:
> > >
> > > include/asm-generic/pgtable-nop4d.h:9:18: error:
> > > unknown type name 'pgd_t'
> > >
> > > The TTM header cleanup stopped including linux/pagemap.h from ttm_tt.h.
> > > The remaining ttm_caching.h include pulls in linux/pgtable.h, which
> > > reaches OpenRISC's asm/pgtable.h before asm/page.h has supplied the pgd_t
> > > definition.
> > >
> > > Include asm/page.h ahead of the generic folded page-table headers. This
> > > restores the missing type definition and allows OpenRISC allmodconfig
> > > builds to get past this failure.
> >
> > Hi Andrew,
> >
> > Thanks for this I will queue this.
>
> No, I'll take it.
OK, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2026-11-01 22:38 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2026-10-24 0:52 [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers Andrew Morton
2026-11-01 7:34 ` Stafford Horne
2026-11-01 12:00 ` Matthew Wilcox
2026-11-01 22:38 ` Stafford Horne
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