Re: [PATCH] arm64: Add missing linux/bug.h include in asm/pgtable.h

From: James Morse
Date: Mon Dec 14 2015 - 11:48:07 EST

On 14/12/15 16:38, Catalin Marinas wrote:
> On Mon, Dec 14, 2015 at 04:26:48PM +0000, Julien Grall wrote:
>> On 14/12/15 16:22, Catalin Marinas wrote:
>>> On Mon, Dec 14, 2015 at 04:07:24PM +0000, Julien Grall wrote:
>>>> Linux 4.4-rc5 doesn't build for arm64 with CONFIG_XEN=y enabled:
>>>> In file included from linux/arch/arm64/include/asm/pgtable.h:60:0,
>>>> from linux/arch/arm64/include/../../arm/include/asm/xen/page.h:5,
>>>> from linux/arch/arm64/include/asm/xen/page.h:1,
>>>> from linux/include/xen/page.h:28,
>>>> from linux/arch/arm64/xen/../../arm/xen/grant-table.c:33:
>>>> linux/arch/arm64/include/asm/pgtable.h: In function 'set_pte_at':
>>>> linux/include/linux/mmdebug.h:49:39: error: implicit declaration of function 'BUILD_BUG_ON_INVALID' [-Werror=implicit-function-declaration]
>>>> #define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond)
>>>> ^
>>>> linux/arch/arm64/include/asm/pgtable.h:281:3: note: in expansion of macro 'VM_WARN_ONCE'
>>>> VM_WARN_ONCE(!pte_young(pte),

I got bitten by this this morning, and had a patch to mmdebug.h I just
sent to the linux-mm list... sorry I should have copied everyone on this
thread (you don't get enough email already!).



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