[PATCH] mm: generalize ZONE_[DMA|DMA32]
kernel test robot
lkp at intel.com
Thu May 27 10:06:47 PDT 2021
Hi Kefeng,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on arm64/for-next/core m68k/for-next s390/features linus/master v5.13-rc3]
[cannot apply to hnaz-linux-mm/master tip/x86/core sparc-next/master sparc/master next-20210527]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Kefeng-Wang/mm-generalize-ZONE_-DMA-DMA32/20210527-222334
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/de626453e50ab17adeffd9602e997b4b67b80eb2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kefeng-Wang/mm-generalize-ZONE_-DMA-DMA32/20210527-222334
git checkout de626453e50ab17adeffd9602e997b4b67b80eb2
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All error/warnings (new ones prefixed by >>):
In file included from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/gfp.h:433:2: error: #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
433 | #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
| ^~~~~
include/linux/gfp.h: In function 'gfp_zone':
>> include/linux/gfp.h:444:20: warning: left shift count >= width of type [-Wshift-count-overflow]
444 | | (OPT_ZONE_DMA32 << (___GFP_MOVABLE | ___GFP_DMA32) * GFP_ZONES_SHIFT)\
| ^~
include/linux/gfp.h:469:7: note: in expansion of macro 'GFP_ZONE_TABLE'
469 | z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
| ^~~~~~~~~~~~~~
--
In file included from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/gfp.h:433:2: error: #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
433 | #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
| ^~~~~
include/linux/gfp.h: In function 'gfp_zone':
>> include/linux/gfp.h:444:20: warning: left shift count >= width of type [-Wshift-count-overflow]
444 | | (OPT_ZONE_DMA32 << (___GFP_MOVABLE | ___GFP_DMA32) * GFP_ZONES_SHIFT)\
| ^~
include/linux/gfp.h:469:7: note: in expansion of macro 'GFP_ZONE_TABLE'
469 | z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
| ^~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1227: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/gfp.h:433:2: error: #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
433 | #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
| ^~~~~
include/linux/gfp.h: In function 'gfp_zone':
>> include/linux/gfp.h:444:20: warning: left shift count >= width of type [-Wshift-count-overflow]
444 | | (OPT_ZONE_DMA32 << (___GFP_MOVABLE | ___GFP_DMA32) * GFP_ZONES_SHIFT)\
| ^~
include/linux/gfp.h:469:7: note: in expansion of macro 'GFP_ZONE_TABLE'
469 | z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
| ^~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1227: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +433 include/linux/gfp.h
b11a7b94100cba Dan Williams 2016-03-17 431
b11a7b94100cba Dan Williams 2016-03-17 432 #if 16 * GFP_ZONES_SHIFT > BITS_PER_LONG
b11a7b94100cba Dan Williams 2016-03-17 @433 #error GFP_ZONES_SHIFT too large to create GFP_ZONE_TABLE integer
b70d94ee438b3f Christoph Lameter 2009-06-16 434 #endif
b70d94ee438b3f Christoph Lameter 2009-06-16 435
b70d94ee438b3f Christoph Lameter 2009-06-16 436 #define GFP_ZONE_TABLE ( \
b11a7b94100cba Dan Williams 2016-03-17 437 (ZONE_NORMAL << 0 * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 438 | (OPT_ZONE_DMA << ___GFP_DMA * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 439 | (OPT_ZONE_HIGHMEM << ___GFP_HIGHMEM * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 440 | (OPT_ZONE_DMA32 << ___GFP_DMA32 * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 441 | (ZONE_NORMAL << ___GFP_MOVABLE * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 442 | (OPT_ZONE_DMA << (___GFP_MOVABLE | ___GFP_DMA) * GFP_ZONES_SHIFT) \
b11a7b94100cba Dan Williams 2016-03-17 443 | (ZONE_MOVABLE << (___GFP_MOVABLE | ___GFP_HIGHMEM) * GFP_ZONES_SHIFT)\
b11a7b94100cba Dan Williams 2016-03-17 @444 | (OPT_ZONE_DMA32 << (___GFP_MOVABLE | ___GFP_DMA32) * GFP_ZONES_SHIFT)\
b70d94ee438b3f Christoph Lameter 2009-06-16 445 )
b70d94ee438b3f Christoph Lameter 2009-06-16 446
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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