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Message-ID: <201706271155.SBkfOuT6%fengguang.wu@intel.com>
Date: Tue, 27 Jun 2017 11:17:37 +0800
From: kbuild test robot <lkp@...el.com>
To: Igor Stoppa <igor.stoppa@...wei.com>
Cc: kbuild-all@...org, keescook@...omium.org, mhocko@...nel.org,
jmorris@...ei.org, labbott@...hat.com,
penguin-kernel@...ove.SAKURA.ne.jp, paul@...l-moore.com,
sds@...ho.nsa.gov, casey@...aufler-ca.com, hch@...radead.org,
linux-security-module@...r.kernel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com,
Igor Stoppa <igor.stoppa@...il.com>,
Igor Stoppa <igor.stoppa@...wei.com>
Subject: Re: [PATCH 1/3] Protectable memory support
Hi Igor,
[auto build test WARNING on mmotm/master]
[also build test WARNING on v4.12-rc7 next-20170626]
[cannot apply to linus/master linux/master]
[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/ro-protection-for-dynamic-data/20170627-103230
base: git://git.cmpxchg.org/linux-mmotm.git master
config: i386-tinyconfig (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 warnings (new ones prefixed by >>):
mm/pmalloc.c: In function '__pmalloc_pool_show_avail':
>> mm/pmalloc.c:81:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
return sprintf(buf, "%lu\n", gen_pool_avail(data->pool));
^
mm/pmalloc.c: In function '__pmalloc_pool_show_size':
mm/pmalloc.c:91:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
return sprintf(buf, "%lu\n", gen_pool_size(data->pool));
^
vim +81 mm/pmalloc.c
65 struct pmalloc_data *data;
66
67 data = container_of(attr, struct pmalloc_data, attr_protected);
68 if (atomic_read(&data->protected))
69 return sprintf(buf, "protected\n");
70 else
71 return sprintf(buf, "unprotected\n");
72 }
73
74 static ssize_t __pmalloc_pool_show_avail(struct device *dev,
75 struct device_attribute *attr,
76 char *buf)
77 {
78 struct pmalloc_data *data;
79
80 data = container_of(attr, struct pmalloc_data, attr_avail);
> 81 return sprintf(buf, "%lu\n", gen_pool_avail(data->pool));
82 }
83
84 static ssize_t __pmalloc_pool_show_size(struct device *dev,
85 struct device_attribute *attr,
86 char *buf)
87 {
88 struct pmalloc_data *data;
89
---
0-DAY kernel test infrastructure Open Source Technology Center
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