tree: git://git.cmpxchg.org/linux-mmotm.git master
head: 21c4efa7694b072dddce68082e16156f24e1c1f0
commit: 224aa5f4017811570da4d0a332d9791da07b2fc7 [180/303] mm: simplify nodemask printing
config: x86_64-kexec (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
git checkout 224aa5f4017811570da4d0a332d9791da07b2fc7
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/linux/mmzone.h:17:0,
from include/linux/mempolicy.h:10,
from mm/mempolicy.c:70:
mm/mempolicy.c: In function 'mpol_to_str':
>> include/linux/nodemask.h:107:41: warning: the address of 'nodes' will always evaluate as 'true' [-Waddress]
#define nodemask_pr_args(maskp) (maskp) ? MAX_NUMNODES : 0, (maskp) ? (maskp)->bits : NULL
^
>> mm/mempolicy.c:2817:11: note: in expansion of macro 'nodemask_pr_args'
nodemask_pr_args(&nodes));
^~~~~~~~~~~~~~~~
include/linux/nodemask.h:107:69: warning: the address of 'nodes' will always evaluate as 'true' [-Waddress]
#define nodemask_pr_args(maskp) (maskp) ? MAX_NUMNODES : 0, (maskp) ? (maskp)->bits : NULL
^
>> mm/mempolicy.c:2817:11: note: in expansion of macro 'nodemask_pr_args'
nodemask_pr_args(&nodes));
^~~~~~~~~~~~~~~~
vim +107 include/linux/nodemask.h
100
101 /**
102 * nodemask_pr_args - printf args to output a nodemask
103 * @maskp: nodemask to be printed
104 *
105 * Can be used to provide arguments for '%*pb[l]' when printing a nodemask.
106 */
> 107 #define nodemask_pr_args(maskp) (maskp) ? MAX_NUMNODES : 0, (maskp) ? (maskp)->bits : NULL
108
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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