linux-kernel - Re: [PATCH 1/1] Sealable memory support

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Message-ID: <201706041042.gpzQjXpn%fengguang.wu@intel.com>
Date:   Sun, 4 Jun 2017 10:18:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Igor Stoppa <igor.stoppa@...wei.com>
Cc:     kbuild-all@...org, mhocko@...nel.org, dave.hansen@...el.com,
        labbott@...hat.com, linux-mm@...ck.org,
        kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org,
        Igor Stoppa <igor.stoppa@...wei.com>
Subject: Re: [PATCH 1/1] Sealable memory support

Hi Igor,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.12-rc3 next-20170602]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Igor-Stoppa/Sealable-memory-support/20170522-163525
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: i386-randconfig-n0-06032349 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   mm//smalloc.c: In function 'smalloc_seal_set':
>> mm//smalloc.c:135:4: error: implicit declaration of function 'set_memory_ro' [-Werror=implicit-function-declaration]
       set_memory_ro((unsigned long)node,
       ^~~~~~~~~~~~~
>> mm//smalloc.c:138:4: error: implicit declaration of function 'set_memory_rw' [-Werror=implicit-function-declaration]
       set_memory_rw((unsigned long)node,
       ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/set_memory_ro +135 mm//smalloc.c

   129			mutex_unlock(&pool->lock);
   130			return;
   131		}
   132		list_for_each(pos, &pool->list) {
   133			node = list_entry(pos, struct smalloc_node, list);
   134			if (seal == SMALLOC_SEALED)
 > 135				set_memory_ro((unsigned long)node,
   136					      get_node_pages_nr(node));
   137			else if (seal == SMALLOC_UNSEALED)
 > 138				set_memory_rw((unsigned long)node,
   139					      get_node_pages_nr(node));
   140		}
   141		pool->seal = seal;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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