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Subjectlinux-next: build failure after merge of the akpm-current tree
Hi Andrew,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from include/linux/mm.h:318:0,
from include/linux/highmem.h:7,
from include/linux/bio.h:23,
from include/linux/writeback.h:192,
from include/linux/memcontrol.h:30,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/page-flags.h:371:26: error: macro "TESTPAGEFLAG" requires 3 arguments, but only 2 given
TESTPAGEFLAG(Young, young)
^
include/linux/page-flags.h:372:25: error: macro "SETPAGEFLAG" requires 3 arguments, but only 2 given
SETPAGEFLAG(Young, young)
^
include/linux/page-flags.h:371:1: error: unknown type name 'TESTPAGEFLAG'
TESTPAGEFLAG(Young, young)
^
include/linux/page-flags.h:373:27: error: macro "TESTCLEARFLAG" requires 3 arguments, but only 2 given
TESTCLEARFLAG(Young, young)
^
include/linux/page-flags.h:373:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'TESTCLEARFLAG'
TESTCLEARFLAG(Young, young)
^
include/linux/page-flags.h:374:20: error: macro "PAGEFLAG" requires 3 arguments, but only 2 given
PAGEFLAG(Idle, idle)
^
include/linux/page-flags.h:373:1: error: unknown type name 'TESTCLEARFLAG'
TESTCLEARFLAG(Young, young)
^
In file included from include/linux/highmem.h:7:0,
from include/linux/bio.h:23,
from include/linux/writeback.h:192,
from include/linux/memcontrol.h:30,
from include/linux/swap.h:8,
from include/linux/suspend.h:4,
from arch/x86/kernel/asm-offsets.c:12:
include/linux/mm.h: In function '__compound_tail_refcounted':
include/linux/mm.h:453:2: error: implicit declaration of function 'PageAnon' [-Werror=implicit-function-declaration]
return PageAnon(page) && !PageSlab(page) && !PageHeadHuge(page);
^

Caused by commit

33c3fc71c8cf ("mm: introduce idle page tracking")

from Linus' tree interacting with commit

3b1670dad702 ("page-flags: introduce page flags policies wrt compound pages")

from the akpm-current tree (and presumably others).

I have just dropped the akpm-current tree for today. I am sorry I
rushed you to put out a cleaned up mmotm yesterday :-(

--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au


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