From: Stafford Horne <shorne@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: stefan.kristiansson@saunalahti.fi, lkp@intel.com,
jonas@southpole.se, broonie@kernel.org, linux-mm@kvack.org,
willy@infradead.org
Subject: Re: [PATCH 1/1] openrisc: include asm/page.h before folded pgtable headers
Date: Sun, 1 Nov 2026 07:34:57 +0000 [thread overview]
Message-ID: <aubrobg1lV24DH4h@antec> (raw)
In-Reply-To: <7e6799e4a26d4c87b28bfe1d0bab7d54.1@linux-foundation.org>
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__
> _
next prev parent reply other threads:[~2026-11-01 7:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2026-11-01 12:00 ` Matthew Wilcox
2026-11-01 22:38 ` Stafford Horne
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