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Date: Wed, 3 Feb 2016 16:08:06 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Matthew Wilcox <willy@...ux.intel.com>
Subject: Re: linux-next: build failure after merge of the akpm-current tree
Hello,
On (02/03/16 16:27), Stephen Rothwell wrote:
> Hi Andrew,
>
> After merging the akpm-current tree, today's linux-next build (arm
> allnoconfig) failed like this:
>
> In file included from kernel/memremap.c:17:0:
> include/linux/pfn_t.h:108:7: error: 'pud_mkdevmap' declared as function returning an array
>
> Caused by commit
>
> a27da20ed50e ("mm: add support for PUD-sized transparent hugepages")
>
> Discovered after the linux-next release.
.config
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD=y
# CONFIG_TRANSPARENT_HUGEPAGE is not set
makes the build unhappy
fs/proc/task_mmu.c: In function ‘smaps_pud_range’:
fs/proc/task_mmu.c:596:6: error: implicit declaration of function ‘is_huge_zero_pud’ [-Werror=implicit-function-declaration]
if (is_huge_zero_pud(*pud))
^
seems there is no ‘is_huge_zero_pud’ for !CONFIG_TRANSPARENT_HUGEPAGE.
and a bunch of other errors as a result
In file included from include/asm-generic/bug.h:4:0,
from ./arch/x86/include/asm/bug.h:35,
from include/linux/bug.h:4,
from include/linux/mmdebug.h:4,
from include/linux/mm.h:8,
from fs/proc/task_mmu.c:1:
include/linux/compiler.h:505:38: error: call to ‘__compiletime_assert_599’ declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:488:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^
include/linux/compiler.h:505:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/bug.h:84:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^
include/linux/huge_mm.h:221:27: note: in expansion of macro ‘BUILD_BUG’
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^
fs/proc/task_mmu.c:599:19: note: in expansion of macro ‘HPAGE_PUD_SIZE’
mss->resident += HPAGE_PUD_SIZE;
^
In function ‘smaps_pud_range.part.10’,
inlined from ‘smaps_pud_range’:
include/linux/compiler.h:505:38: error: call to ‘__compiletime_assert_602’ declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:488:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^
include/linux/compiler.h:505:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/bug.h:84:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^
include/linux/huge_mm.h:221:27: note: in expansion of macro ‘BUILD_BUG’
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^
fs/proc/task_mmu.c:602:25: note: in expansion of macro ‘HPAGE_PUD_SIZE’
mss->shared_dirty += HPAGE_PUD_SIZE;
^
include/linux/compiler.h:505:38: error: call to ‘__compiletime_assert_604’ declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:488:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^
include/linux/compiler.h:505:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/bug.h:84:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^
include/linux/huge_mm.h:221:27: note: in expansion of macro ‘BUILD_BUG’
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^
fs/proc/task_mmu.c:604:25: note: in expansion of macro ‘HPAGE_PUD_SIZE’
mss->shared_clean += HPAGE_PUD_SIZE;
^
fs/proc/task_mmu.c: In function ‘smaps_pud_range’:
include/linux/compiler.h:505:38: error: call to ‘__compiletime_assert_607’ declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:488:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^
include/linux/compiler.h:505:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/bug.h:84:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^
include/linux/huge_mm.h:221:27: note: in expansion of macro ‘BUILD_BUG’
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^
fs/proc/task_mmu.c:607:26: note: in expansion of macro ‘HPAGE_PUD_SIZE’
mss->private_dirty += HPAGE_PUD_SIZE;
^
include/linux/compiler.h:505:38: error: call to ‘__compiletime_assert_609’ declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:488:4: note: in definition of macro ‘__compiletime_assert’
prefix ## suffix(); \
^
include/linux/compiler.h:505:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/bug.h:50:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/bug.h:84:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^
include/linux/huge_mm.h:221:27: note: in expansion of macro ‘BUILD_BUG’
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^
fs/proc/task_mmu.c:609:26: note: in expansion of macro ‘HPAGE_PUD_SIZE’
mss->private_clean += HPAGE_PUD_SIZE;
^
cc1: some warnings being treated as errors
scripts/Makefile.build:258: recipe for target 'fs/proc/task_mmu.o' failed
make[2]: *** [fs/proc/task_mmu.o] Error 1
scripts/Makefile.build:407: recipe for target 'fs/proc' failed
make[1]: *** [fs/proc] Error 2
make[1]: *** Waiting for unfinished jobs....
-ss
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