From: Andrew Morton <akpm@linux-foundation.org>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: Vladimir Davydov <vdavydov@parallels.com>,
kbuild-all@01.org,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [linux-next:master 6277/6751] mm/page_idle.c:74:4: error: implicit declaration of function 'pte_unmap'
Date: Fri, 7 Aug 2015 14:26:22 -0700 [thread overview]
Message-ID: <20150807142622.b2de8f5e70f1224dfe9aa195@linux-foundation.org> (raw)
In-Reply-To: <201508072227.PBXmgcfg%fengguang.wu@intel.com>
On Fri, 7 Aug 2015 22:24:33 +0800 kbuild test robot <fengguang.wu@intel.com> wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head: e6455bc5b91f41f842f30465c9193320f0568707
> commit: cbba4e22584984bffccd07e0801fd2b8ec1ecf5f [6277/6751] Move /proc/kpageidle to /sys/kernel/mm/page_idle/bitmap
> config: blackfin-allmodconfig (attached as .config)
> reproduce:
> wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout cbba4e22584984bffccd07e0801fd2b8ec1ecf5f
> # save the attached .config to linux build tree
> make.cross ARCH=blackfin
>
> All error/warnings (new ones prefixed by >>):
>
> mm/page_idle.c: In function 'page_idle_clear_pte_refs_one':
> mm/page_idle.c:67:4: error: implicit declaration of function 'pmdp_test_and_clear_young' [-Werror=implicit-function-declaration]
> mm/page_idle.c:71:3: error: implicit declaration of function 'page_check_address' [-Werror=implicit-function-declaration]
Yeah. This?
From: Andrew Morton <akpm@linux-foundation.org>
Subject: proc-add-kpageidle-file-fix-6-fix-2-fix
kpageidle requires an MMU
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/proc/page.c~proc-add-kpageidle-file-fix-6-fix-2-fix fs/proc/page.c
diff -puN mm/Kconfig~proc-add-kpageidle-file-fix-6-fix-2-fix mm/Kconfig
--- a/mm/Kconfig~proc-add-kpageidle-file-fix-6-fix-2-fix
+++ a/mm/Kconfig
@@ -657,7 +657,7 @@ config DEFERRED_STRUCT_PAGE_INIT
config IDLE_PAGE_TRACKING
bool "Enable idle page tracking"
- depends on SYSFS
+ depends on SYSFS && MMU
select PAGE_EXTENSION if !64BIT
help
This feature allows to estimate the amount of user pages that have
_
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next prev parent reply other threads:[~2015-08-07 21:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 14:24 kbuild test robot
2015-08-07 21:26 ` Andrew Morton [this message]
2015-08-08 8:30 ` Vladimir Davydov
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