* mm/page_alloc.c:5662:16: error: use of undeclared identifier 'fragz'; did you mean 'fragsz'?
@ 2022-05-31 19:53 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-31 19:53 UTC (permalink / raw)
To: Chen Lin; +Cc: llvm, kbuild-all, linux-kernel, 0day robot
tree: https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220531-224555/Chen-Lin/mm-page_frag-Warn_on-when-frag_alloc-size-is-bigger-than-PAGE_SIZE/20220528-234129
head: 21e940b5a66de64088e93248c21bce241c28a556
commit: 21e940b5a66de64088e93248c21bce241c28a556 mm: page_frag: Warn_on when frag_alloc size is bigger than PAGE_SIZE
date: 5 hours ago
config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20220601/202206010311.t1nGkYl6-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/21e940b5a66de64088e93248c21bce241c28a556
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review UPDATE-20220531-224555/Chen-Lin/mm-page_frag-Warn_on-when-frag_alloc-size-is-bigger-than-PAGE_SIZE/20220528-234129
git checkout 21e940b5a66de64088e93248c21bce241c28a556
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> mm/page_alloc.c:5662:16: error: use of undeclared identifier 'fragz'; did you mean 'fragsz'?
if (WARN_ONCE(fragz > PAGE_SIZE,
^~~~~
fragsz
include/asm-generic/bug.h:151:18: note: expanded from macro 'WARN_ONCE'
DO_ONCE_LITE_IF(condition, WARN, 1, format)
^
include/linux/once_lite.h:15:27: note: expanded from macro 'DO_ONCE_LITE_IF'
bool __ret_do_once = !!(condition); \
^
mm/page_alloc.c:5651:22: note: 'fragsz' declared here
unsigned int fragsz, gfp_t gfp_mask,
^
1 error generated.
vim +5662 mm/page_alloc.c
5649
5650 void *page_frag_alloc_align(struct page_frag_cache *nc,
5651 unsigned int fragsz, gfp_t gfp_mask,
5652 unsigned int align_mask)
5653 {
5654 unsigned int size = PAGE_SIZE;
5655 struct page *page;
5656 int offset;
5657
5658 /*
5659 * frag_alloc is not suitable for memory alloc which fragsz
5660 * is bigger than PAGE_SIZE, use kmalloc or alloc_pages instead.
5661 */
> 5662 if (WARN_ONCE(fragz > PAGE_SIZE,
5663 "alloc fragsz(%d) > PAGE_SIZE(%ld) not supported, alloc fail\n",
5664 fragsz, PAGE_SIZE))
5665 return NULL;
5666
5667 if (unlikely(!nc->va)) {
5668 refill:
5669 page = __page_frag_cache_refill(nc, gfp_mask);
5670 if (!page)
5671 return NULL;
5672
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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