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SubjectRe: ia64 broken by transparent huge pages - other arches too?
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On Fri, 2011-01-14 at 09:50 -0800, Luck, Tony wrote:
> Didn't Andrew make some rash promise at kernel summit about stopping
> eating if "-mm" wasn't included in linux-next by the end of November?
>
> Must be getting pretty hungry by now.
>
> The transparent huge page code just arrived in the merge window
> without having been in linux-next. I see this error when trying
> to build for ia64 from Linus' tree this morning:

This is insane. Having such a massively invasive change to the whole mm,
barely tested on most architecture, and last I heard still generally
controversial being merged like that without even some integration
testing via -next makes no sense.

Linus, wtf is going on ?

Ben.

> In file included from /home/aegl/generic-smp/arch/ia64/include/asm/pgtable.h:611,
> from include/linux/mm.h:41,
> from /home/aegl/generic-smp/arch/ia64/include/asm/uaccess.h:39,
> from include/linux/poll.h:14,
> from include/linux/rtc.h:117,
> from include/linux/efi.h:19,
> from /home/aegl/generic-smp/arch/ia64/include/asm/sal.h:40,
> from /home/aegl/generic-smp/arch/ia64/include/asm/mca.h:20,
> from arch/ia64/kernel/asm-offsets.c:17:
> include/asm-generic/pgtable.h: In function ‘pmdp_get_and_clear’:
> include/asm-generic/pgtable.h:96: error: implicit declaration of function ‘__pmd’
> include/asm-generic/pgtable.h:96: error: incompatible types in return
> make[1]: *** [arch/ia64/kernel/asm-offsets.s] Error 1
>
>
> Looks like arch/*/include/pgtable.h needs to define __pmd() but only x86
> was blessed with it.
>
> -Tony
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