Messages in this thread | | | Date | Tue, 12 Jul 2022 09:04:44 +0800 | From | kernel test robot <> | Subject | [chunkuang-hu:pagecaller 1/2] mm/page_alloc.c:193:33: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git pagecaller head: de987a7312cd3e22d7d6985225db9839c3bd9818 commit: c879bb3e3a54d1e18415030a68f327dc4cf17363 [1/2] mm: Add pagecaller base trace point config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220712/202207120805.VMoxhHK2-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/commit/?id=c879bb3e3a54d1e18415030a68f327dc4cf17363 git remote add chunkuang-hu https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git git fetch --no-tags chunkuang-hu pagecaller git checkout c879bb3e3a54d1e18415030a68f327dc4cf17363 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
mm/page_alloc.c: In function 'pagecaller_get': >> mm/page_alloc.c:193:33: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 193 | #define PAGECALLER_RESERVED 0xffffffffffffffff | ^~~~~~~~~~~~~~~~~~ mm/page_alloc.c:939:24: note: in expansion of macro 'PAGECALLER_RESERVED' 939 | return PAGECALLER_RESERVED; | ^~~~~~~~~~~~~~~~~~~ >> mm/page_alloc.c:193:33: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 193 | #define PAGECALLER_RESERVED 0xffffffffffffffff | ^~~~~~~~~~~~~~~~~~ mm/page_alloc.c:944:16: note: in expansion of macro 'PAGECALLER_RESERVED' 944 | return PAGECALLER_RESERVED; | ^~~~~~~~~~~~~~~~~~~ mm/page_alloc.c: In function 'free_area_init_node': >> mm/page_alloc.c:193:33: warning: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Woverflow] 193 | #define PAGECALLER_RESERVED 0xffffffffffffffff | ^~~~~~~~~~~~~~~~~~ mm/page_alloc.c:7798:56: note: in expansion of macro 'PAGECALLER_RESERVED' 7798 | pagecaller_set(0, end_pfn - start_pfn, PAGECALLER_RESERVED); | ^~~~~~~~~~~~~~~~~~~
vim +193 mm/page_alloc.c
190 191 #ifdef CONFIG_PAGECALLER 192 #define PAGECALLER_FREE 0 > 193 #define PAGECALLER_RESERVED 0xffffffffffffffff 194
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